30742700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 70662144

約数和(自身を除く): 39919444

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 47, 50, 62, 94, 100, 124, 155, 188, 211, 235, 310, 422, 470, 620, 775, 844, 940, 1055, 1175, 1457, 1550, 2110, 2350, 2914, 3100, 4220, 4700, 5275, 5828, 6541, 7285, 9917, 10550, 13082, 14570, 19834, 21100, 26164, 29140, 32705, 36425, 39668, 49585, 65410, 72850, 99170, 130820, 145700, 163525, 198340, 247925, 307427, 327050, 495850, 614854, 654100, 991700, 1229708, 1537135, 3074270, 6148540, 7685675, 15371350, 30742700]

約数ペア:

[(1, 30742700), (2, 15371350), (4, 7685675), (5, 6148540), (10, 3074270), (20, 1537135), (25, 1229708), (31, 991700), (47, 654100), (50, 614854), (62, 495850), (94, 327050), (100, 307427), (124, 247925), (155, 198340), (188, 163525), (211, 145700), (235, 130820), (310, 99170), (422, 72850), (470, 65410), (620, 49585), (775, 39668), (844, 36425), (940, 32705), (1055, 29140), (1175, 26164), (1457, 21100), (1550, 19834), (2110, 14570), (2350, 13082), (2914, 10550), (3100, 9917), (4220, 7285), (4700, 6541), (5275, 5828)]