1397804920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:477

約数の個数: 128

約数和(自身を含む): 3406636800

約数和(自身を除く): 2008831880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 67, 76, 95, 97, 134, 152, 190, 194, 268, 283, 335, 380, 388, 485, 536, 566, 670, 760, 776, 970, 1132, 1273, 1340, 1415, 1843, 1940, 2264, 2546, 2680, 2830, 3686, 3880, 5092, 5377, 5660, 6365, 6499, 7372, 9215, 10184, 10754, 11320, 12730, 12998, 14744, 18430, 18961, 21508, 25460, 25996, 26885, 27451, 32495, 36860, 37922, 43016, 50920, 51992, 53770, 54902, 64990, 73720, 75844, 94805, 107540, 109804, 123481, 129980, 137255, 151688, 189610, 215080, 219608, 246962, 259960, 274510, 360259, 379220, 493924, 521569, 549020, 617405, 720518, 758440, 987848, 1043138, 1098040, 1234810, 1441036, 1801295, 1839217, 2086276, 2469620, 2607845, 2882072, 3602590, 3678434, 4172552, 4939240, 5215690, 7205180, 7356868, 9196085, 10431380, 14410360, 14713736, 18392170, 20862760, 34945123, 36784340, 69890246, 73568680, 139780492, 174725615, 279560984, 349451230, 698902460, 1397804920]

約数ペア:

[(1, 1397804920), (2, 698902460), (4, 349451230), (5, 279560984), (8, 174725615), (10, 139780492), (19, 73568680), (20, 69890246), (38, 36784340), (40, 34945123), (67, 20862760), (76, 18392170), (95, 14713736), (97, 14410360), (134, 10431380), (152, 9196085), (190, 7356868), (194, 7205180), (268, 5215690), (283, 4939240), (335, 4172552), (380, 3678434), (388, 3602590), (485, 2882072), (536, 2607845), (566, 2469620), (670, 2086276), (760, 1839217), (776, 1801295), (970, 1441036), (1132, 1234810), (1273, 1098040), (1340, 1043138), (1415, 987848), (1843, 758440), (1940, 720518), (2264, 617405), (2546, 549020), (2680, 521569), (2830, 493924), (3686, 379220), (3880, 360259), (5092, 274510), (5377, 259960), (5660, 246962), (6365, 219608), (6499, 215080), (7372, 189610), (9215, 151688), (10184, 137255), (10754, 129980), (11320, 123481), (12730, 109804), (12998, 107540), (14744, 94805), (18430, 75844), (18961, 73720), (21508, 64990), (25460, 54902), (25996, 53770), (26885, 51992), (27451, 50920), (32495, 43016), (36860, 37922)]