27880603100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{22669}}^1$

素因数の和:22948

約数の個数: 108

約数和(自身を含む): 70662117960

約数和(自身を除く): 42781514860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 251, 350, 490, 502, 700, 980, 1004, 1225, 1255, 1757, 2450, 2510, 3514, 4900, 5020, 6275, 7028, 8785, 12299, 12550, 17570, 22669, 24598, 25100, 35140, 43925, 45338, 49196, 61495, 87850, 90676, 113345, 122990, 158683, 175700, 226690, 245980, 307475, 317366, 453380, 566725, 614950, 634732, 793415, 1110781, 1133450, 1229900, 1586830, 2221562, 2266900, 3173660, 3967075, 4443124, 5553905, 5689919, 7934150, 11107810, 11379838, 15868300, 22215620, 22759676, 27769525, 28449595, 39829433, 55539050, 56899190, 79658866, 111078100, 113798380, 142247975, 159317732, 199147165, 278806031, 284495950, 398294330, 557612062, 568991900, 796588660, 995735825, 1115224124, 1394030155, 1991471650, 2788060310, 3982943300, 5576120620, 6970150775, 13940301550, 27880603100]

約数ペア:

[(1, 27880603100), (2, 13940301550), (4, 6970150775), (5, 5576120620), (7, 3982943300), (10, 2788060310), (14, 1991471650), (20, 1394030155), (25, 1115224124), (28, 995735825), (35, 796588660), (49, 568991900), (50, 557612062), (70, 398294330), (98, 284495950), (100, 278806031), (140, 199147165), (175, 159317732), (196, 142247975), (245, 113798380), (251, 111078100), (350, 79658866), (490, 56899190), (502, 55539050), (700, 39829433), (980, 28449595), (1004, 27769525), (1225, 22759676), (1255, 22215620), (1757, 15868300), (2450, 11379838), (2510, 11107810), (3514, 7934150), (4900, 5689919), (5020, 5553905), (6275, 4443124), (7028, 3967075), (8785, 3173660), (12299, 2266900), (12550, 2221562), (17570, 1586830), (22669, 1229900), (24598, 1133450), (25100, 1110781), (35140, 793415), (43925, 634732), (45338, 614950), (49196, 566725), (61495, 453380), (87850, 317366), (90676, 307475), (113345, 245980), (122990, 226690), (158683, 175700)]