198102320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{797}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 498718080

約数和(自身を除く): 300615760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 239, 260, 478, 520, 797, 956, 1040, 1195, 1594, 1912, 2390, 3107, 3188, 3824, 3985, 4780, 6214, 6376, 7970, 9560, 10361, 12428, 12752, 15535, 15940, 19120, 20722, 24856, 31070, 31880, 41444, 49712, 51805, 62140, 63760, 82888, 103610, 124280, 165776, 190483, 207220, 248560, 380966, 414440, 761932, 828880, 952415, 1523864, 1904830, 2476279, 3047728, 3809660, 4952558, 7619320, 9905116, 12381395, 15238640, 19810232, 24762790, 39620464, 49525580, 99051160, 198102320]

約数ペア:

[(1, 198102320), (2, 99051160), (4, 49525580), (5, 39620464), (8, 24762790), (10, 19810232), (13, 15238640), (16, 12381395), (20, 9905116), (26, 7619320), (40, 4952558), (52, 3809660), (65, 3047728), (80, 2476279), (104, 1904830), (130, 1523864), (208, 952415), (239, 828880), (260, 761932), (478, 414440), (520, 380966), (797, 248560), (956, 207220), (1040, 190483), (1195, 165776), (1594, 124280), (1912, 103610), (2390, 82888), (3107, 63760), (3188, 62140), (3824, 51805), (3985, 49712), (4780, 41444), (6214, 31880), (6376, 31070), (7970, 24856), (9560, 20722), (10361, 19120), (12428, 15940), (12752, 15535)]