512348540920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{660277}}^1$

素因数の和:661328

約数の個数: 64

約数和(自身を含む): 1214647408800

約数和(自身を除く): 702298867880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1021, 2042, 4084, 5105, 8168, 10210, 19399, 20420, 38798, 40840, 77596, 96995, 155192, 193990, 387980, 660277, 775960, 1320554, 2641108, 3301385, 5282216, 6602770, 12545263, 13205540, 25090526, 26411080, 50181052, 62726315, 100362104, 125452630, 250905260, 501810520, 674142817, 1348285634, 2696571268, 3370714085, 5393142536, 6741428170, 12808713523, 13482856340, 25617427046, 26965712680, 51234854092, 64043567615, 102469708184, 128087135230, 256174270460, 512348540920]

約数ペア:

[(1, 512348540920), (2, 256174270460), (4, 128087135230), (5, 102469708184), (8, 64043567615), (10, 51234854092), (19, 26965712680), (20, 25617427046), (38, 13482856340), (40, 12808713523), (76, 6741428170), (95, 5393142536), (152, 3370714085), (190, 2696571268), (380, 1348285634), (760, 674142817), (1021, 501810520), (2042, 250905260), (4084, 125452630), (5105, 100362104), (8168, 62726315), (10210, 50181052), (19399, 26411080), (20420, 25090526), (38798, 13205540), (40840, 12545263), (77596, 6602770), (96995, 5282216), (155192, 3301385), (193990, 2641108), (387980, 1320554), (660277, 775960)]