203410960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1016

約数の個数: 80

約数和(自身を含む): 501485760

約数和(自身を除く): 298074800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 163, 190, 304, 326, 380, 652, 760, 815, 821, 1304, 1520, 1630, 1642, 2608, 3097, 3260, 3284, 4105, 6194, 6520, 6568, 8210, 12388, 13040, 13136, 15485, 15599, 16420, 24776, 30970, 31198, 32840, 49552, 61940, 62396, 65680, 77995, 123880, 124792, 133823, 155990, 247760, 249584, 267646, 311980, 535292, 623960, 669115, 1070584, 1247920, 1338230, 2141168, 2542637, 2676460, 5085274, 5352920, 10170548, 10705840, 12713185, 20341096, 25426370, 40682192, 50852740, 101705480, 203410960]

約数ペア:

[(1, 203410960), (2, 101705480), (4, 50852740), (5, 40682192), (8, 25426370), (10, 20341096), (16, 12713185), (19, 10705840), (20, 10170548), (38, 5352920), (40, 5085274), (76, 2676460), (80, 2542637), (95, 2141168), (152, 1338230), (163, 1247920), (190, 1070584), (304, 669115), (326, 623960), (380, 535292), (652, 311980), (760, 267646), (815, 249584), (821, 247760), (1304, 155990), (1520, 133823), (1630, 124792), (1642, 123880), (2608, 77995), (3097, 65680), (3260, 62396), (3284, 61940), (4105, 49552), (6194, 32840), (6520, 31198), (6568, 30970), (8210, 24776), (12388, 16420), (13040, 15599), (13136, 15485)]