866144450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 1774440000

約数和(自身を除く): 908295550

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 149, 190, 211, 290, 298, 422, 475, 551, 725, 745, 950, 1055, 1102, 1450, 1490, 2110, 2755, 2831, 3725, 4009, 4321, 5275, 5510, 5662, 6119, 7450, 8018, 8642, 10550, 12238, 13775, 14155, 20045, 21605, 27550, 28310, 30595, 31439, 40090, 43210, 61190, 62878, 70775, 82099, 100225, 108025, 116261, 141550, 152975, 157195, 164198, 200450, 216050, 232522, 305950, 314390, 410495, 581305, 597341, 785975, 820990, 911731, 1162610, 1194682, 1571950, 1823462, 2052475, 2906525, 2986705, 4104950, 4558655, 5813050, 5973410, 9117310, 14933525, 17322889, 22793275, 29867050, 34645778, 45586550, 86614445, 173228890, 433072225, 866144450]

約数ペア:

[(1, 866144450), (2, 433072225), (5, 173228890), (10, 86614445), (19, 45586550), (25, 34645778), (29, 29867050), (38, 22793275), (50, 17322889), (58, 14933525), (95, 9117310), (145, 5973410), (149, 5813050), (190, 4558655), (211, 4104950), (290, 2986705), (298, 2906525), (422, 2052475), (475, 1823462), (551, 1571950), (725, 1194682), (745, 1162610), (950, 911731), (1055, 820990), (1102, 785975), (1450, 597341), (1490, 581305), (2110, 410495), (2755, 314390), (2831, 305950), (3725, 232522), (4009, 216050), (4321, 200450), (5275, 164198), (5510, 157195), (5662, 152975), (6119, 141550), (7450, 116261), (8018, 108025), (8642, 100225), (10550, 82099), (12238, 70775), (13775, 62878), (14155, 61190), (20045, 43210), (21605, 40090), (27550, 31439), (28310, 30595)]