401075560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:923

約数の個数: 128

約数和(自身を含む): 1034208000

約数和(自身を除く): 633132440

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 37, 38, 40, 68, 74, 76, 85, 95, 136, 148, 152, 170, 185, 190, 296, 323, 340, 370, 380, 629, 646, 680, 703, 740, 760, 839, 1258, 1292, 1406, 1480, 1615, 1678, 2516, 2584, 2812, 3145, 3230, 3356, 3515, 4195, 5032, 5624, 6290, 6460, 6712, 7030, 8390, 11951, 12580, 12920, 14060, 14263, 15941, 16780, 23902, 25160, 28120, 28526, 31043, 31882, 33560, 47804, 57052, 59755, 62086, 63764, 71315, 79705, 95608, 114104, 119510, 124172, 127528, 142630, 155215, 159410, 239020, 248344, 270997, 285260, 310430, 318820, 478040, 527731, 541994, 570520, 589817, 620860, 637640, 1055462, 1083988, 1179634, 1241720, 1354985, 2110924, 2167976, 2359268, 2638655, 2709970, 2949085, 4221848, 4718536, 5277310, 5419940, 5898170, 10026889, 10554620, 10839880, 11796340, 20053778, 21109240, 23592680, 40107556, 50134445, 80215112, 100268890, 200537780, 401075560]

約数ペア:

[(1, 401075560), (2, 200537780), (4, 100268890), (5, 80215112), (8, 50134445), (10, 40107556), (17, 23592680), (19, 21109240), (20, 20053778), (34, 11796340), (37, 10839880), (38, 10554620), (40, 10026889), (68, 5898170), (74, 5419940), (76, 5277310), (85, 4718536), (95, 4221848), (136, 2949085), (148, 2709970), (152, 2638655), (170, 2359268), (185, 2167976), (190, 2110924), (296, 1354985), (323, 1241720), (340, 1179634), (370, 1083988), (380, 1055462), (629, 637640), (646, 620860), (680, 589817), (703, 570520), (740, 541994), (760, 527731), (839, 478040), (1258, 318820), (1292, 310430), (1406, 285260), (1480, 270997), (1615, 248344), (1678, 239020), (2516, 159410), (2584, 155215), (2812, 142630), (3145, 127528), (3230, 124172), (3356, 119510), (3515, 114104), (4195, 95608), (5032, 79705), (5624, 71315), (6290, 63764), (6460, 62086), (6712, 59755), (7030, 57052), (8390, 47804), (11951, 33560), (12580, 31882), (12920, 31043), (14060, 28526), (14263, 28120), (15941, 25160), (16780, 23902)]