195749020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8731}}^1$

素因数の和:8818

約数の個数: 48

約数和(自身を含む): 440092800

約数和(自身を除く): 244343780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 59, 76, 95, 118, 190, 236, 295, 380, 590, 1121, 1180, 2242, 4484, 5605, 8731, 11210, 17462, 22420, 34924, 43655, 87310, 165889, 174620, 331778, 515129, 663556, 829445, 1030258, 1658890, 2060516, 2575645, 3317780, 5151290, 9787451, 10302580, 19574902, 39149804, 48937255, 97874510, 195749020]

約数ペア:

[(1, 195749020), (2, 97874510), (4, 48937255), (5, 39149804), (10, 19574902), (19, 10302580), (20, 9787451), (38, 5151290), (59, 3317780), (76, 2575645), (95, 2060516), (118, 1658890), (190, 1030258), (236, 829445), (295, 663556), (380, 515129), (590, 331778), (1121, 174620), (1180, 165889), (2242, 87310), (4484, 43655), (5605, 34924), (8731, 22420), (11210, 17462)]