201212050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:404

約数の個数: 96

約数和(自身を含む): 431722368

約数和(自身を除く): 230510318

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 43, 46, 50, 65, 86, 115, 130, 215, 230, 299, 313, 325, 430, 559, 575, 598, 626, 650, 989, 1075, 1118, 1150, 1495, 1565, 1978, 2150, 2795, 2990, 3130, 4069, 4945, 5590, 7199, 7475, 7825, 8138, 9890, 12857, 13459, 13975, 14398, 14950, 15650, 20345, 24725, 25714, 26918, 27950, 35995, 40690, 49450, 64285, 67295, 71990, 93587, 101725, 128570, 134590, 174967, 179975, 187174, 203450, 309557, 321425, 336475, 349934, 359950, 467935, 619114, 642850, 672950, 874835, 935870, 1547785, 1749670, 2339675, 3095570, 4024241, 4374175, 4679350, 7738925, 8048482, 8748350, 15477850, 20121205, 40242410, 100606025, 201212050]

約数ペア:

[(1, 201212050), (2, 100606025), (5, 40242410), (10, 20121205), (13, 15477850), (23, 8748350), (25, 8048482), (26, 7738925), (43, 4679350), (46, 4374175), (50, 4024241), (65, 3095570), (86, 2339675), (115, 1749670), (130, 1547785), (215, 935870), (230, 874835), (299, 672950), (313, 642850), (325, 619114), (430, 467935), (559, 359950), (575, 349934), (598, 336475), (626, 321425), (650, 309557), (989, 203450), (1075, 187174), (1118, 179975), (1150, 174967), (1495, 134590), (1565, 128570), (1978, 101725), (2150, 93587), (2795, 71990), (2990, 67295), (3130, 64285), (4069, 49450), (4945, 40690), (5590, 35995), (7199, 27950), (7475, 26918), (7825, 25714), (8138, 24725), (9890, 20345), (12857, 15650), (13459, 14950), (13975, 14398)]