97988890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10973}}^1$

素因数の和:11046

約数の個数: 32

約数和(自身を含む): 189630720

約数和(自身を除く): 91641830

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 4465, 8930, 10973, 21946, 54865, 109730, 208487, 416974, 515731, 1031462, 1042435, 2084870, 2578655, 5157310, 9798889, 19597778, 48994445, 97988890]

約数ペア:

[(1, 97988890), (2, 48994445), (5, 19597778), (10, 9798889), (19, 5157310), (38, 2578655), (47, 2084870), (94, 1042435), (95, 1031462), (190, 515731), (235, 416974), (470, 208487), (893, 109730), (1786, 54865), (4465, 21946), (8930, 10973)]