28737930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2377}}^1$

素因数の和:2431

約数の個数: 64

約数和(自身を含む): 76704768

約数和(自身を除く): 47966838

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2377, 2418, 4030, 4754, 6045, 7131, 11885, 12090, 14262, 23770, 30901, 35655, 61802, 71310, 73687, 92703, 147374, 154505, 185406, 221061, 309010, 368435, 442122, 463515, 736870, 927030, 957931, 1105305, 1915862, 2210610, 2873793, 4789655, 5747586, 9579310, 14368965, 28737930]

約数ペア:

[(1, 28737930), (2, 14368965), (3, 9579310), (5, 5747586), (6, 4789655), (10, 2873793), (13, 2210610), (15, 1915862), (26, 1105305), (30, 957931), (31, 927030), (39, 736870), (62, 463515), (65, 442122), (78, 368435), (93, 309010), (130, 221061), (155, 185406), (186, 154505), (195, 147374), (310, 92703), (390, 73687), (403, 71310), (465, 61802), (806, 35655), (930, 30901), (1209, 23770), (2015, 14262), (2377, 12090), (2418, 11885), (4030, 7131), (4754, 6045)]