85265540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1$

素因数の和:309

約数の個数: 96

約数和(自身を含む): 203575680

約数和(自身を除く): 118310140

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 67, 68, 76, 85, 95, 134, 170, 190, 197, 268, 323, 335, 340, 380, 394, 646, 670, 788, 985, 1139, 1273, 1292, 1340, 1615, 1970, 2278, 2546, 3230, 3349, 3743, 3940, 4556, 5092, 5695, 6365, 6460, 6698, 7486, 11390, 12730, 13199, 13396, 14972, 16745, 18715, 21641, 22780, 25460, 26398, 33490, 37430, 43282, 52796, 63631, 65995, 66980, 74860, 86564, 108205, 127262, 131990, 216410, 224383, 250781, 254524, 263980, 318155, 432820, 448766, 501562, 636310, 897532, 1003124, 1121915, 1253905, 1272620, 2243830, 2507810, 4263277, 4487660, 5015620, 8526554, 17053108, 21316385, 42632770, 85265540]

約数ペア:

[(1, 85265540), (2, 42632770), (4, 21316385), (5, 17053108), (10, 8526554), (17, 5015620), (19, 4487660), (20, 4263277), (34, 2507810), (38, 2243830), (67, 1272620), (68, 1253905), (76, 1121915), (85, 1003124), (95, 897532), (134, 636310), (170, 501562), (190, 448766), (197, 432820), (268, 318155), (323, 263980), (335, 254524), (340, 250781), (380, 224383), (394, 216410), (646, 131990), (670, 127262), (788, 108205), (985, 86564), (1139, 74860), (1273, 66980), (1292, 65995), (1340, 63631), (1615, 52796), (1970, 43282), (2278, 37430), (2546, 33490), (3230, 26398), (3349, 25460), (3743, 22780), (3940, 21641), (4556, 18715), (5092, 16745), (5695, 14972), (6365, 13396), (6460, 13199), (6698, 12730), (7486, 11390)]