64787150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1529

約数の個数: 48

約数和(自身を含む): 129634560

約数和(自身を除く): 64847410

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 190, 235, 470, 475, 893, 950, 1175, 1451, 1786, 2350, 2902, 4465, 7255, 8930, 14510, 22325, 27569, 36275, 44650, 55138, 68197, 72550, 136394, 137845, 275690, 340985, 681970, 689225, 1295743, 1378450, 1704925, 2591486, 3409850, 6478715, 12957430, 32393575, 64787150]

約数ペア:

[(1, 64787150), (2, 32393575), (5, 12957430), (10, 6478715), (19, 3409850), (25, 2591486), (38, 1704925), (47, 1378450), (50, 1295743), (94, 689225), (95, 681970), (190, 340985), (235, 275690), (470, 137845), (475, 136394), (893, 72550), (950, 68197), (1175, 55138), (1451, 44650), (1786, 36275), (2350, 27569), (2902, 22325), (4465, 14510), (7255, 8930)]