19499698540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:704

約数の個数: 192

約数和(自身を含む): 49787136000

約数和(自身を除く): 30287437460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 97, 115, 140, 149, 161, 194, 230, 298, 322, 388, 419, 460, 485, 596, 644, 679, 745, 805, 838, 970, 1043, 1358, 1490, 1610, 1676, 1940, 2086, 2095, 2231, 2716, 2933, 2980, 3220, 3395, 3427, 4172, 4190, 4462, 5215, 5866, 6790, 6854, 8380, 8924, 9637, 10430, 11155, 11732, 13580, 13708, 14453, 14665, 15617, 17135, 19274, 20860, 22310, 23989, 28906, 29330, 31234, 34270, 38548, 40643, 44620, 47978, 48185, 57812, 58660, 62431, 62468, 67459, 68540, 72265, 78085, 81286, 95956, 96370, 101171, 119945, 124862, 134918, 144530, 156170, 162572, 192740, 202342, 203215, 239890, 249724, 269836, 284501, 289060, 312155, 312340, 332419, 337295, 404684, 406430, 437017, 479780, 505855, 569002, 624310, 664838, 674590, 812860, 874034, 934789, 1011710, 1138004, 1248620, 1329676, 1349180, 1422505, 1435913, 1662095, 1748068, 1869578, 2023420, 2185085, 2326933, 2845010, 2871826, 3324190, 3739156, 4370170, 4653866, 4673945, 5690020, 5743652, 6055807, 6543523, 6648380, 7179565, 8740340, 9307732, 9347890, 10051391, 11634665, 12111614, 13087046, 14359130, 18695780, 20102782, 23269330, 24223228, 26174092, 28718260, 30279035, 32717615, 40205564, 42390649, 46538660, 50256955, 60558070, 65435230, 84781298, 100513910, 121116140, 130870460, 139283561, 169562596, 201027820, 211953245, 278567122, 423906490, 557134244, 696417805, 847812980, 974984927, 1392835610, 1949969854, 2785671220, 3899939708, 4874924635, 9749849270, 19499698540]

約数ペア:

[(1, 19499698540), (2, 9749849270), (4, 4874924635), (5, 3899939708), (7, 2785671220), (10, 1949969854), (14, 1392835610), (20, 974984927), (23, 847812980), (28, 696417805), (35, 557134244), (46, 423906490), (70, 278567122), (92, 211953245), (97, 201027820), (115, 169562596), (140, 139283561), (149, 130870460), (161, 121116140), (194, 100513910), (230, 84781298), (298, 65435230), (322, 60558070), (388, 50256955), (419, 46538660), (460, 42390649), (485, 40205564), (596, 32717615), (644, 30279035), (679, 28718260), (745, 26174092), (805, 24223228), (838, 23269330), (970, 20102782), (1043, 18695780), (1358, 14359130), (1490, 13087046), (1610, 12111614), (1676, 11634665), (1940, 10051391), (2086, 9347890), (2095, 9307732), (2231, 8740340), (2716, 7179565), (2933, 6648380), (2980, 6543523), (3220, 6055807), (3395, 5743652), (3427, 5690020), (4172, 4673945), (4190, 4653866), (4462, 4370170), (5215, 3739156), (5866, 3324190), (6790, 2871826), (6854, 2845010), (8380, 2326933), (8924, 2185085), (9637, 2023420), (10430, 1869578), (11155, 1748068), (11732, 1662095), (13580, 1435913), (13708, 1422505), (14453, 1349180), (14665, 1329676), (15617, 1248620), (17135, 1138004), (19274, 1011710), (20860, 934789), (22310, 874034), (23989, 812860), (28906, 674590), (29330, 664838), (31234, 624310), (34270, 569002), (38548, 505855), (40643, 479780), (44620, 437017), (47978, 406430), (48185, 404684), (57812, 337295), (58660, 332419), (62431, 312340), (62468, 312155), (67459, 289060), (68540, 284501), (72265, 269836), (78085, 249724), (81286, 239890), (95956, 203215), (96370, 202342), (101171, 192740), (119945, 162572), (124862, 156170), (134918, 144530)]