123355908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 355446000

約数和(自身を除く): 232090092

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 58, 61, 78, 87, 116, 117, 122, 149, 156, 174, 183, 234, 244, 261, 298, 348, 366, 377, 447, 468, 522, 549, 596, 732, 754, 793, 894, 1044, 1098, 1131, 1341, 1508, 1586, 1769, 1788, 1937, 2196, 2262, 2379, 2682, 3172, 3393, 3538, 3874, 4321, 4524, 4758, 5307, 5364, 5811, 6786, 7076, 7137, 7748, 8642, 9089, 9516, 10614, 11622, 12963, 13572, 14274, 15921, 17284, 17433, 18178, 21228, 22997, 23244, 25926, 27267, 28548, 31842, 34866, 36356, 38889, 45994, 51852, 54534, 56173, 63684, 68991, 69732, 77778, 81801, 91988, 109068, 112346, 118157, 137982, 155556, 163602, 168519, 206973, 224692, 236314, 263581, 275964, 327204, 337038, 354471, 413946, 472628, 505557, 527162, 674076, 708942, 790743, 827892, 1011114, 1054324, 1063413, 1417884, 1581486, 2022228, 2126826, 2372229, 3162972, 3426553, 4253652, 4744458, 6853106, 9488916, 10279659, 13706212, 20559318, 30838977, 41118636, 61677954, 123355908]

約数ペア:

[(1, 123355908), (2, 61677954), (3, 41118636), (4, 30838977), (6, 20559318), (9, 13706212), (12, 10279659), (13, 9488916), (18, 6853106), (26, 4744458), (29, 4253652), (36, 3426553), (39, 3162972), (52, 2372229), (58, 2126826), (61, 2022228), (78, 1581486), (87, 1417884), (116, 1063413), (117, 1054324), (122, 1011114), (149, 827892), (156, 790743), (174, 708942), (183, 674076), (234, 527162), (244, 505557), (261, 472628), (298, 413946), (348, 354471), (366, 337038), (377, 327204), (447, 275964), (468, 263581), (522, 236314), (549, 224692), (596, 206973), (732, 168519), (754, 163602), (793, 155556), (894, 137982), (1044, 118157), (1098, 112346), (1131, 109068), (1341, 91988), (1508, 81801), (1586, 77778), (1769, 69732), (1788, 68991), (1937, 63684), (2196, 56173), (2262, 54534), (2379, 51852), (2682, 45994), (3172, 38889), (3393, 36356), (3538, 34866), (3874, 31842), (4321, 28548), (4524, 27267), (4758, 25926), (5307, 23244), (5364, 22997), (5811, 21228), (6786, 18178), (7076, 17433), (7137, 17284), (7748, 15921), (8642, 14274), (9089, 13572), (9516, 12963), (10614, 11622)]