388421630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 752467968

約数和(自身を除く): 364046338

約数列:

[1, 2, 5, 10, 31, 47, 53, 62, 94, 106, 155, 235, 265, 310, 470, 503, 530, 1006, 1457, 1643, 2491, 2515, 2914, 3286, 4982, 5030, 7285, 8215, 12455, 14570, 15593, 16430, 23641, 24910, 26659, 31186, 47282, 53318, 77221, 77965, 118205, 133295, 154442, 155930, 236410, 266590, 386105, 732871, 772210, 826429, 1252973, 1465742, 1652858, 2505946, 3664355, 4132145, 6264865, 7328710, 8264290, 12529730, 38842163, 77684326, 194210815, 388421630]

約数ペア:

[(1, 388421630), (2, 194210815), (5, 77684326), (10, 38842163), (31, 12529730), (47, 8264290), (53, 7328710), (62, 6264865), (94, 4132145), (106, 3664355), (155, 2505946), (235, 1652858), (265, 1465742), (310, 1252973), (470, 826429), (503, 772210), (530, 732871), (1006, 386105), (1457, 266590), (1643, 236410), (2491, 155930), (2515, 154442), (2914, 133295), (3286, 118205), (4982, 77965), (5030, 77221), (7285, 53318), (8215, 47282), (12455, 31186), (14570, 26659), (15593, 24910), (16430, 23641)]