4890390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 12773376

約数和(自身を除く): 7882986

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 43, 51, 85, 86, 102, 129, 170, 215, 223, 255, 258, 430, 446, 510, 645, 669, 731, 1115, 1290, 1338, 1462, 2193, 2230, 3345, 3655, 3791, 4386, 6690, 7310, 7582, 9589, 10965, 11373, 18955, 19178, 21930, 22746, 28767, 37910, 47945, 56865, 57534, 95890, 113730, 143835, 163013, 287670, 326026, 489039, 815065, 978078, 1630130, 2445195, 4890390]

約数ペア:

[(1, 4890390), (2, 2445195), (3, 1630130), (5, 978078), (6, 815065), (10, 489039), (15, 326026), (17, 287670), (30, 163013), (34, 143835), (43, 113730), (51, 95890), (85, 57534), (86, 56865), (102, 47945), (129, 37910), (170, 28767), (215, 22746), (223, 21930), (255, 19178), (258, 18955), (430, 11373), (446, 10965), (510, 9589), (645, 7582), (669, 7310), (731, 6690), (1115, 4386), (1290, 3791), (1338, 3655), (1462, 3345), (2193, 2230)]