397925190

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1553}}^1$

素因数の和:1655

約数の個数: 128

約数和(自身を含む): 1159159680

約数和(自身を除く): 761234490

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 73, 78, 90, 117, 130, 135, 146, 195, 219, 234, 270, 351, 365, 390, 438, 585, 657, 702, 730, 949, 1095, 1170, 1314, 1553, 1755, 1898, 1971, 2190, 2847, 3106, 3285, 3510, 3942, 4659, 4745, 5694, 6570, 7765, 8541, 9318, 9490, 9855, 13977, 14235, 15530, 17082, 19710, 20189, 23295, 25623, 27954, 28470, 40378, 41931, 42705, 46590, 51246, 60567, 69885, 83862, 85410, 100945, 113369, 121134, 128115, 139770, 181701, 201890, 209655, 226738, 256230, 302835, 340107, 363402, 419310, 545103, 566845, 605670, 680214, 908505, 1020321, 1090206, 1133690, 1473797, 1700535, 1817010, 2040642, 2725515, 2947594, 3060963, 3401070, 4421391, 5101605, 5451030, 6121926, 7368985, 8842782, 10203210, 13264173, 14737970, 15304815, 22106955, 26528346, 30609630, 39792519, 44213910, 66320865, 79585038, 132641730, 198962595, 397925190]

約数ペア:

[(1, 397925190), (2, 198962595), (3, 132641730), (5, 79585038), (6, 66320865), (9, 44213910), (10, 39792519), (13, 30609630), (15, 26528346), (18, 22106955), (26, 15304815), (27, 14737970), (30, 13264173), (39, 10203210), (45, 8842782), (54, 7368985), (65, 6121926), (73, 5451030), (78, 5101605), (90, 4421391), (117, 3401070), (130, 3060963), (135, 2947594), (146, 2725515), (195, 2040642), (219, 1817010), (234, 1700535), (270, 1473797), (351, 1133690), (365, 1090206), (390, 1020321), (438, 908505), (585, 680214), (657, 605670), (702, 566845), (730, 545103), (949, 419310), (1095, 363402), (1170, 340107), (1314, 302835), (1553, 256230), (1755, 226738), (1898, 209655), (1971, 201890), (2190, 181701), (2847, 139770), (3106, 128115), (3285, 121134), (3510, 113369), (3942, 100945), (4659, 85410), (4745, 83862), (5694, 69885), (6570, 60567), (7765, 51246), (8541, 46590), (9318, 42705), (9490, 41931), (9855, 40378), (13977, 28470), (14235, 27954), (15530, 25623), (17082, 23295), (19710, 20189)]