328174420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:449

約数の個数: 96

約数和(自身を含む): 807383808

約数和(自身を除く): 479209388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 163, 197, 292, 326, 365, 394, 511, 652, 730, 788, 815, 985, 1022, 1141, 1379, 1460, 1630, 1970, 2044, 2282, 2555, 2758, 3260, 3940, 4564, 5110, 5516, 5705, 6895, 10220, 11410, 11899, 13790, 14381, 22820, 23798, 27580, 28762, 32111, 47596, 57524, 59495, 64222, 71905, 83293, 100667, 118990, 128444, 143810, 160555, 166586, 201334, 224777, 237980, 287620, 321110, 333172, 402668, 416465, 449554, 503335, 642220, 832930, 899108, 1006670, 1123885, 1665860, 2013340, 2247770, 2344103, 4495540, 4688206, 9376412, 11720515, 16408721, 23441030, 32817442, 46882060, 65634884, 82043605, 164087210, 328174420]

約数ペア:

[(1, 328174420), (2, 164087210), (4, 82043605), (5, 65634884), (7, 46882060), (10, 32817442), (14, 23441030), (20, 16408721), (28, 11720515), (35, 9376412), (70, 4688206), (73, 4495540), (140, 2344103), (146, 2247770), (163, 2013340), (197, 1665860), (292, 1123885), (326, 1006670), (365, 899108), (394, 832930), (511, 642220), (652, 503335), (730, 449554), (788, 416465), (815, 402668), (985, 333172), (1022, 321110), (1141, 287620), (1379, 237980), (1460, 224777), (1630, 201334), (1970, 166586), (2044, 160555), (2282, 143810), (2555, 128444), (2758, 118990), (3260, 100667), (3940, 83293), (4564, 71905), (5110, 64222), (5516, 59495), (5705, 57524), (6895, 47596), (10220, 32111), (11410, 28762), (11899, 27580), (13790, 23798), (14381, 22820)]