199144920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127657}}^1$

素因数の和:127684

約数の個数: 64

約数和(自身を含む): 643396320

約数和(自身を除く): 444251400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 127657, 255314, 382971, 510628, 638285, 765942, 1021256, 1276570, 1531884, 1659541, 1914855, 2553140, 3063768, 3319082, 3829710, 4978623, 5106280, 6638164, 7659420, 8297705, 9957246, 13276328, 15318840, 16595410, 19914492, 24893115, 33190820, 39828984, 49786230, 66381640, 99572460, 199144920]

約数ペア:

[(1, 199144920), (2, 99572460), (3, 66381640), (4, 49786230), (5, 39828984), (6, 33190820), (8, 24893115), (10, 19914492), (12, 16595410), (13, 15318840), (15, 13276328), (20, 9957246), (24, 8297705), (26, 7659420), (30, 6638164), (39, 5106280), (40, 4978623), (52, 3829710), (60, 3319082), (65, 3063768), (78, 2553140), (104, 1914855), (120, 1659541), (130, 1531884), (156, 1276570), (195, 1021256), (260, 765942), (312, 638285), (390, 510628), (520, 382971), (780, 255314), (1560, 127657)]