188972420

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^2\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 504201600

約数和(自身を除く): 315229180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 163, 169, 182, 196, 245, 260, 326, 338, 343, 364, 455, 490, 637, 652, 676, 686, 815, 845, 910, 980, 1141, 1183, 1274, 1372, 1630, 1690, 1715, 1820, 2119, 2282, 2366, 2548, 3185, 3260, 3380, 3430, 4238, 4459, 4564, 4732, 5705, 5915, 6370, 6860, 7987, 8281, 8476, 8918, 10595, 11410, 11830, 12740, 14833, 15974, 16562, 17836, 21190, 22295, 22820, 23660, 27547, 29666, 31948, 33124, 39935, 41405, 42380, 44590, 55094, 55909, 57967, 59332, 74165, 79870, 82810, 89180, 103831, 110188, 111818, 115934, 137735, 148330, 159740, 165620, 192829, 207662, 223636, 231868, 275470, 279545, 289835, 296660, 385658, 415324, 519155, 550940, 559090, 579670, 726817, 771316, 964145, 1038310, 1118180, 1159340, 1349803, 1453634, 1928290, 2076620, 2699606, 2907268, 3634085, 3856580, 5399212, 6749015, 7268170, 9448621, 13498030, 14536340, 18897242, 26996060, 37794484, 47243105, 94486210, 188972420]

約数ペア:

[(1, 188972420), (2, 94486210), (4, 47243105), (5, 37794484), (7, 26996060), (10, 18897242), (13, 14536340), (14, 13498030), (20, 9448621), (26, 7268170), (28, 6749015), (35, 5399212), (49, 3856580), (52, 3634085), (65, 2907268), (70, 2699606), (91, 2076620), (98, 1928290), (130, 1453634), (140, 1349803), (163, 1159340), (169, 1118180), (182, 1038310), (196, 964145), (245, 771316), (260, 726817), (326, 579670), (338, 559090), (343, 550940), (364, 519155), (455, 415324), (490, 385658), (637, 296660), (652, 289835), (676, 279545), (686, 275470), (815, 231868), (845, 223636), (910, 207662), (980, 192829), (1141, 165620), (1183, 159740), (1274, 148330), (1372, 137735), (1630, 115934), (1690, 111818), (1715, 110188), (1820, 103831), (2119, 89180), (2282, 82810), (2366, 79870), (2548, 74165), (3185, 59332), (3260, 57967), (3380, 55909), (3430, 55094), (4238, 44590), (4459, 42380), (4564, 41405), (4732, 39935), (5705, 33124), (5915, 31948), (6370, 29666), (6860, 27547), (7987, 23660), (8281, 22820), (8476, 22295), (8918, 21190), (10595, 17836), (11410, 16562), (11830, 15974), (12740, 14833)]