283650620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 144

約数和(自身を含む): 715008000

約数和(自身を除く): 431357380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 31, 38, 44, 55, 62, 76, 95, 110, 121, 124, 155, 190, 199, 209, 220, 242, 310, 341, 380, 398, 418, 484, 589, 605, 620, 682, 796, 836, 995, 1045, 1178, 1210, 1364, 1705, 1990, 2090, 2189, 2299, 2356, 2420, 2945, 3410, 3751, 3781, 3980, 4180, 4378, 4598, 5890, 6169, 6479, 6820, 7502, 7562, 8756, 9196, 10945, 11495, 11780, 12338, 12958, 15004, 15124, 18755, 18905, 21890, 22990, 24079, 24676, 25916, 30845, 32395, 37510, 37810, 41591, 43780, 45980, 48158, 61690, 64790, 67859, 71269, 75020, 75620, 83182, 96316, 117211, 120395, 123380, 129580, 135718, 142538, 166364, 207955, 234422, 240790, 271436, 285076, 339295, 356345, 415910, 457501, 468844, 481580, 586055, 678590, 712690, 746449, 831820, 915002, 1172110, 1289321, 1357180, 1425380, 1492898, 1830004, 2287505, 2344220, 2578642, 2985796, 3732245, 4575010, 5157284, 6446605, 7464490, 9150020, 12893210, 14182531, 14928980, 25786420, 28365062, 56730124, 70912655, 141825310, 283650620]

約数ペア:

[(1, 283650620), (2, 141825310), (4, 70912655), (5, 56730124), (10, 28365062), (11, 25786420), (19, 14928980), (20, 14182531), (22, 12893210), (31, 9150020), (38, 7464490), (44, 6446605), (55, 5157284), (62, 4575010), (76, 3732245), (95, 2985796), (110, 2578642), (121, 2344220), (124, 2287505), (155, 1830004), (190, 1492898), (199, 1425380), (209, 1357180), (220, 1289321), (242, 1172110), (310, 915002), (341, 831820), (380, 746449), (398, 712690), (418, 678590), (484, 586055), (589, 481580), (605, 468844), (620, 457501), (682, 415910), (796, 356345), (836, 339295), (995, 285076), (1045, 271436), (1178, 240790), (1210, 234422), (1364, 207955), (1705, 166364), (1990, 142538), (2090, 135718), (2189, 129580), (2299, 123380), (2356, 120395), (2420, 117211), (2945, 96316), (3410, 83182), (3751, 75620), (3781, 75020), (3980, 71269), (4180, 67859), (4378, 64790), (4598, 61690), (5890, 48158), (6169, 45980), (6479, 43780), (6820, 41591), (7502, 37810), (7562, 37510), (8756, 32395), (9196, 30845), (10945, 25916), (11495, 24676), (11780, 24079), (12338, 22990), (12958, 21890), (15004, 18905), (15124, 18755)]