1465642840

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1\times {\mathrm{757}}^1$

素因数の和:1364

約数の個数: 64

約数和(自身を含む): 3342780000

約数和(自身を除く): 1877137160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 499, 757, 776, 970, 998, 1514, 1940, 1996, 2495, 3028, 3785, 3880, 3992, 4990, 6056, 7570, 9980, 15140, 19960, 30280, 48403, 73429, 96806, 146858, 193612, 242015, 293716, 367145, 377743, 387224, 484030, 587432, 734290, 755486, 968060, 1468580, 1510972, 1888715, 1936120, 2937160, 3021944, 3777430, 7554860, 15109720, 36641071, 73282142, 146564284, 183205355, 293128568, 366410710, 732821420, 1465642840]

約数ペア:

[(1, 1465642840), (2, 732821420), (4, 366410710), (5, 293128568), (8, 183205355), (10, 146564284), (20, 73282142), (40, 36641071), (97, 15109720), (194, 7554860), (388, 3777430), (485, 3021944), (499, 2937160), (757, 1936120), (776, 1888715), (970, 1510972), (998, 1468580), (1514, 968060), (1940, 755486), (1996, 734290), (2495, 587432), (3028, 484030), (3785, 387224), (3880, 377743), (3992, 367145), (4990, 293716), (6056, 242015), (7570, 193612), (9980, 146858), (15140, 96806), (19960, 73429), (30280, 48403)]