28478970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:368

約数の個数: 96

約数和(自身を含む): 80864784

約数和(自身を除く): 52385814

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 101, 117, 130, 195, 202, 234, 241, 303, 390, 482, 505, 585, 606, 723, 909, 1010, 1170, 1205, 1313, 1446, 1515, 1818, 2169, 2410, 2626, 3030, 3133, 3615, 3939, 4338, 4545, 6266, 6565, 7230, 7878, 9090, 9399, 10845, 11817, 13130, 15665, 18798, 19695, 21690, 23634, 24341, 28197, 31330, 39390, 46995, 48682, 56394, 59085, 73023, 93990, 118170, 121705, 140985, 146046, 219069, 243410, 281970, 316433, 365115, 438138, 632866, 730230, 949299, 1095345, 1582165, 1898598, 2190690, 2847897, 3164330, 4746495, 5695794, 9492990, 14239485, 28478970]

約数ペア:

[(1, 28478970), (2, 14239485), (3, 9492990), (5, 5695794), (6, 4746495), (9, 3164330), (10, 2847897), (13, 2190690), (15, 1898598), (18, 1582165), (26, 1095345), (30, 949299), (39, 730230), (45, 632866), (65, 438138), (78, 365115), (90, 316433), (101, 281970), (117, 243410), (130, 219069), (195, 146046), (202, 140985), (234, 121705), (241, 118170), (303, 93990), (390, 73023), (482, 59085), (505, 56394), (585, 48682), (606, 46995), (723, 39390), (909, 31330), (1010, 28197), (1170, 24341), (1205, 23634), (1313, 21690), (1446, 19695), (1515, 18798), (1818, 15665), (2169, 13130), (2410, 11817), (2626, 10845), (3030, 9399), (3133, 9090), (3615, 7878), (3939, 7230), (4338, 6565), (4545, 6266)]