200700040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1459}}^1$

素因数の和:1670

約数の個数: 64

約数和(自身を含む): 478296000

約数和(自身を除く): 277595960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 181, 190, 362, 380, 724, 760, 905, 1448, 1459, 1810, 2918, 3439, 3620, 5836, 6878, 7240, 7295, 11672, 13756, 14590, 17195, 27512, 27721, 29180, 34390, 55442, 58360, 68780, 110884, 137560, 138605, 221768, 264079, 277210, 528158, 554420, 1056316, 1108840, 1320395, 2112632, 2640790, 5017501, 5281580, 10035002, 10563160, 20070004, 25087505, 40140008, 50175010, 100350020, 200700040]

約数ペア:

[(1, 200700040), (2, 100350020), (4, 50175010), (5, 40140008), (8, 25087505), (10, 20070004), (19, 10563160), (20, 10035002), (38, 5281580), (40, 5017501), (76, 2640790), (95, 2112632), (152, 1320395), (181, 1108840), (190, 1056316), (362, 554420), (380, 528158), (724, 277210), (760, 264079), (905, 221768), (1448, 138605), (1459, 137560), (1810, 110884), (2918, 68780), (3439, 58360), (3620, 55442), (5836, 34390), (6878, 29180), (7240, 27721), (7295, 27512), (11672, 17195), (13756, 14590)]