388610480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3617}}^1$

素因数の和:3726

約数の個数: 80

約数和(自身を含む): 969045120

約数和(自身を除く): 580434640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 79, 80, 85, 136, 158, 170, 272, 316, 340, 395, 632, 680, 790, 1264, 1343, 1360, 1580, 2686, 3160, 3617, 5372, 6320, 6715, 7234, 10744, 13430, 14468, 18085, 21488, 26860, 28936, 36170, 53720, 57872, 61489, 72340, 107440, 122978, 144680, 245956, 285743, 289360, 307445, 491912, 571486, 614890, 983824, 1142972, 1229780, 1428715, 2285944, 2459560, 2857430, 4571888, 4857631, 4919120, 5714860, 9715262, 11429720, 19430524, 22859440, 24288155, 38861048, 48576310, 77722096, 97152620, 194305240, 388610480]

約数ペア:

[(1, 388610480), (2, 194305240), (4, 97152620), (5, 77722096), (8, 48576310), (10, 38861048), (16, 24288155), (17, 22859440), (20, 19430524), (34, 11429720), (40, 9715262), (68, 5714860), (79, 4919120), (80, 4857631), (85, 4571888), (136, 2857430), (158, 2459560), (170, 2285944), (272, 1428715), (316, 1229780), (340, 1142972), (395, 983824), (632, 614890), (680, 571486), (790, 491912), (1264, 307445), (1343, 289360), (1360, 285743), (1580, 245956), (2686, 144680), (3160, 122978), (3617, 107440), (5372, 72340), (6320, 61489), (6715, 57872), (7234, 53720), (10744, 36170), (13430, 28936), (14468, 26860), (18085, 21488)]