64495700

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 146428128

約数和(自身を除く): 81932428

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 53, 86, 100, 106, 172, 212, 215, 265, 283, 430, 530, 566, 860, 1060, 1075, 1132, 1325, 1415, 2150, 2279, 2650, 2830, 4300, 4558, 5300, 5660, 7075, 9116, 11395, 12169, 14150, 14999, 22790, 24338, 28300, 29998, 45580, 48676, 56975, 59996, 60845, 74995, 113950, 121690, 149990, 227900, 243380, 299980, 304225, 374975, 608450, 644957, 749950, 1216900, 1289914, 1499900, 2579828, 3224785, 6449570, 12899140, 16123925, 32247850, 64495700]

約数ペア:

[(1, 64495700), (2, 32247850), (4, 16123925), (5, 12899140), (10, 6449570), (20, 3224785), (25, 2579828), (43, 1499900), (50, 1289914), (53, 1216900), (86, 749950), (100, 644957), (106, 608450), (172, 374975), (212, 304225), (215, 299980), (265, 243380), (283, 227900), (430, 149990), (530, 121690), (566, 113950), (860, 74995), (1060, 60845), (1075, 59996), (1132, 56975), (1325, 48676), (1415, 45580), (2150, 29998), (2279, 28300), (2650, 24338), (2830, 22790), (4300, 14999), (4558, 14150), (5300, 12169), (5660, 11395), (7075, 9116)]