64830100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 149240448

約数和(自身を除く): 84410348

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 71, 92, 100, 115, 142, 230, 284, 355, 397, 460, 575, 710, 794, 1150, 1420, 1588, 1633, 1775, 1985, 2300, 3266, 3550, 3970, 6532, 7100, 7940, 8165, 9131, 9925, 16330, 18262, 19850, 28187, 32660, 36524, 39700, 40825, 45655, 56374, 81650, 91310, 112748, 140935, 163300, 182620, 228275, 281870, 456550, 563740, 648301, 704675, 913100, 1296602, 1409350, 2593204, 2818700, 3241505, 6483010, 12966020, 16207525, 32415050, 64830100]

約数ペア:

[(1, 64830100), (2, 32415050), (4, 16207525), (5, 12966020), (10, 6483010), (20, 3241505), (23, 2818700), (25, 2593204), (46, 1409350), (50, 1296602), (71, 913100), (92, 704675), (100, 648301), (115, 563740), (142, 456550), (230, 281870), (284, 228275), (355, 182620), (397, 163300), (460, 140935), (575, 112748), (710, 91310), (794, 81650), (1150, 56374), (1420, 45655), (1588, 40825), (1633, 39700), (1775, 36524), (1985, 32660), (2300, 28187), (3266, 19850), (3550, 18262), (3970, 16330), (6532, 9925), (7100, 9131), (7940, 8165)]