201408020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 480332160

約数和(自身を除く): 278924140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 109, 110, 148, 185, 218, 220, 227, 370, 407, 436, 454, 545, 740, 814, 908, 1090, 1135, 1199, 1628, 2035, 2180, 2270, 2398, 2497, 4033, 4070, 4540, 4796, 4994, 5995, 8066, 8140, 8399, 9988, 11990, 12485, 16132, 16798, 20165, 23980, 24743, 24970, 33596, 40330, 41995, 44363, 49486, 49940, 80660, 83990, 88726, 92389, 98972, 123715, 167980, 177452, 184778, 221815, 247430, 272173, 369556, 443630, 461945, 494860, 544346, 887260, 915491, 923890, 1088692, 1360865, 1830982, 1847780, 2721730, 3661964, 4577455, 5443460, 9154910, 10070401, 18309820, 20140802, 40281604, 50352005, 100704010, 201408020]

約数ペア:

[(1, 201408020), (2, 100704010), (4, 50352005), (5, 40281604), (10, 20140802), (11, 18309820), (20, 10070401), (22, 9154910), (37, 5443460), (44, 4577455), (55, 3661964), (74, 2721730), (109, 1847780), (110, 1830982), (148, 1360865), (185, 1088692), (218, 923890), (220, 915491), (227, 887260), (370, 544346), (407, 494860), (436, 461945), (454, 443630), (545, 369556), (740, 272173), (814, 247430), (908, 221815), (1090, 184778), (1135, 177452), (1199, 167980), (1628, 123715), (2035, 98972), (2180, 92389), (2270, 88726), (2398, 83990), (2497, 80660), (4033, 49940), (4070, 49486), (4540, 44363), (4796, 41995), (4994, 40330), (5995, 33596), (8066, 24970), (8140, 24743), (8399, 23980), (9988, 20165), (11990, 16798), (12485, 16132)]