2980829800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1193}}^1$

素因数の和:1284

約数の個数: 144

約数和(自身を含む): 7718529420

約数和(自身を除く): 4737699620

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 403, 520, 620, 650, 775, 806, 961, 1193, 1240, 1300, 1550, 1612, 1922, 2015, 2386, 2600, 3100, 3224, 3844, 4030, 4772, 4805, 5965, 6200, 7688, 8060, 9544, 9610, 10075, 11930, 12493, 15509, 16120, 19220, 20150, 23860, 24025, 24986, 29825, 31018, 36983, 38440, 40300, 47720, 48050, 49972, 59650, 62036, 62465, 73966, 77545, 80600, 96100, 99944, 119300, 124072, 124930, 147932, 155090, 184915, 192200, 238600, 249860, 295864, 310180, 312325, 369830, 387725, 480779, 499720, 620360, 624650, 739660, 775450, 924575, 961558, 1146473, 1249300, 1479320, 1550900, 1849150, 1923116, 2292946, 2403895, 2498600, 3101800, 3698300, 3846232, 4585892, 4807790, 5732365, 7396600, 9171784, 9615580, 11464730, 12019475, 14904149, 19231160, 22929460, 24038950, 28661825, 29808298, 45858920, 48077900, 57323650, 59616596, 74520745, 96155800, 114647300, 119233192, 149041490, 229294600, 298082980, 372603725, 596165960, 745207450, 1490414900, 2980829800]

約数ペア:

[(1, 2980829800), (2, 1490414900), (4, 745207450), (5, 596165960), (8, 372603725), (10, 298082980), (13, 229294600), (20, 149041490), (25, 119233192), (26, 114647300), (31, 96155800), (40, 74520745), (50, 59616596), (52, 57323650), (62, 48077900), (65, 45858920), (100, 29808298), (104, 28661825), (124, 24038950), (130, 22929460), (155, 19231160), (200, 14904149), (248, 12019475), (260, 11464730), (310, 9615580), (325, 9171784), (403, 7396600), (520, 5732365), (620, 4807790), (650, 4585892), (775, 3846232), (806, 3698300), (961, 3101800), (1193, 2498600), (1240, 2403895), (1300, 2292946), (1550, 1923116), (1612, 1849150), (1922, 1550900), (2015, 1479320), (2386, 1249300), (2600, 1146473), (3100, 961558), (3224, 924575), (3844, 775450), (4030, 739660), (4772, 624650), (4805, 620360), (5965, 499720), (6200, 480779), (7688, 387725), (8060, 369830), (9544, 312325), (9610, 310180), (10075, 295864), (11930, 249860), (12493, 238600), (15509, 192200), (16120, 184915), (19220, 155090), (20150, 147932), (23860, 124930), (24025, 124072), (24986, 119300), (29825, 99944), (31018, 96100), (36983, 80600), (38440, 77545), (40300, 73966), (47720, 62465), (48050, 62036), (49972, 59650)]