287007312

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{809}}^1$

素因数の和:1228

約数の個数: 80

約数和(自身を含む): 783432000

約数和(自身を除く): 496424688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 48, 57, 76, 114, 152, 228, 304, 389, 456, 778, 809, 912, 1167, 1556, 1618, 2334, 2427, 3112, 3236, 4668, 4854, 6224, 6472, 7391, 9336, 9708, 12944, 14782, 15371, 18672, 19416, 22173, 29564, 30742, 38832, 44346, 46113, 59128, 61484, 88692, 92226, 118256, 122968, 177384, 184452, 245936, 314701, 354768, 368904, 629402, 737808, 944103, 1258804, 1888206, 2517608, 3776412, 5035216, 5979319, 7552824, 11958638, 15105648, 17937957, 23917276, 35875914, 47834552, 71751828, 95669104, 143503656, 287007312]

約数ペア:

[(1, 287007312), (2, 143503656), (3, 95669104), (4, 71751828), (6, 47834552), (8, 35875914), (12, 23917276), (16, 17937957), (19, 15105648), (24, 11958638), (38, 7552824), (48, 5979319), (57, 5035216), (76, 3776412), (114, 2517608), (152, 1888206), (228, 1258804), (304, 944103), (389, 737808), (456, 629402), (778, 368904), (809, 354768), (912, 314701), (1167, 245936), (1556, 184452), (1618, 177384), (2334, 122968), (2427, 118256), (3112, 92226), (3236, 88692), (4668, 61484), (4854, 59128), (6224, 46113), (6472, 44346), (7391, 38832), (9336, 30742), (9708, 29564), (12944, 22173), (14782, 19416), (15371, 18672)]