166801700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4139}}^1$

素因数の和:4197

約数の個数: 72

約数和(自身を含む): 402474240

約数和(自身を除く): 235672540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 620, 650, 775, 806, 1300, 1550, 1612, 2015, 3100, 4030, 4139, 8060, 8278, 10075, 16556, 20150, 20695, 40300, 41390, 53807, 82780, 103475, 107614, 128309, 206950, 215228, 256618, 269035, 413900, 513236, 538070, 641545, 1076140, 1283090, 1345175, 1668017, 2566180, 2690350, 3207725, 3336034, 5380700, 6415450, 6672068, 8340085, 12830900, 16680170, 33360340, 41700425, 83400850, 166801700]

約数ペア:

[(1, 166801700), (2, 83400850), (4, 41700425), (5, 33360340), (10, 16680170), (13, 12830900), (20, 8340085), (25, 6672068), (26, 6415450), (31, 5380700), (50, 3336034), (52, 3207725), (62, 2690350), (65, 2566180), (100, 1668017), (124, 1345175), (130, 1283090), (155, 1076140), (260, 641545), (310, 538070), (325, 513236), (403, 413900), (620, 269035), (650, 256618), (775, 215228), (806, 206950), (1300, 128309), (1550, 107614), (1612, 103475), (2015, 82780), (3100, 53807), (4030, 41390), (4139, 40300), (8060, 20695), (8278, 20150), (10075, 16556)]