204017480

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:834

約数の個数: 64

約数和(自身を含む): 470329200

約数和(自身を除く): 266311720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 109, 146, 218, 292, 365, 436, 545, 584, 641, 730, 872, 1090, 1282, 1460, 2180, 2564, 2920, 3205, 4360, 5128, 6410, 7957, 12820, 15914, 25640, 31828, 39785, 46793, 63656, 69869, 79570, 93586, 139738, 159140, 187172, 233965, 279476, 318280, 349345, 374344, 467930, 558952, 698690, 935860, 1397380, 1871720, 2794760, 5100437, 10200874, 20401748, 25502185, 40803496, 51004370, 102008740, 204017480]

約数ペア:

[(1, 204017480), (2, 102008740), (4, 51004370), (5, 40803496), (8, 25502185), (10, 20401748), (20, 10200874), (40, 5100437), (73, 2794760), (109, 1871720), (146, 1397380), (218, 935860), (292, 698690), (365, 558952), (436, 467930), (545, 374344), (584, 349345), (641, 318280), (730, 279476), (872, 233965), (1090, 187172), (1282, 159140), (1460, 139738), (2180, 93586), (2564, 79570), (2920, 69869), (3205, 63656), (4360, 46793), (5128, 39785), (6410, 31828), (7957, 25640), (12820, 15914)]