163506980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89839}}^1$

素因数の和:89868

約数の個数: 48

約数和(自身を含む): 422607360

約数和(自身を除く): 259100380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 89839, 179678, 359356, 449195, 628873, 898390, 1167907, 1257746, 1796780, 2335814, 2515492, 3144365, 4671628, 5839535, 6288730, 8175349, 11679070, 12577460, 16350698, 23358140, 32701396, 40876745, 81753490, 163506980]

約数ペア:

[(1, 163506980), (2, 81753490), (4, 40876745), (5, 32701396), (7, 23358140), (10, 16350698), (13, 12577460), (14, 11679070), (20, 8175349), (26, 6288730), (28, 5839535), (35, 4671628), (52, 3144365), (65, 2515492), (70, 2335814), (91, 1796780), (130, 1257746), (140, 1167907), (182, 898390), (260, 628873), (364, 449195), (455, 359356), (910, 179678), (1820, 89839)]