75171980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15217}}^1$

素因数の和:15258

約数の個数: 48

約数和(自身を含む): 178963680

約数和(自身を除く): 103791700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 15217, 30434, 60868, 76085, 152170, 197821, 289123, 304340, 395642, 578246, 791284, 989105, 1156492, 1445615, 1978210, 2891230, 3758599, 3956420, 5782460, 7517198, 15034396, 18792995, 37585990, 75171980]

約数ペア:

[(1, 75171980), (2, 37585990), (4, 18792995), (5, 15034396), (10, 7517198), (13, 5782460), (19, 3956420), (20, 3758599), (26, 2891230), (38, 1978210), (52, 1445615), (65, 1156492), (76, 989105), (95, 791284), (130, 578246), (190, 395642), (247, 304340), (260, 289123), (380, 197821), (494, 152170), (988, 76085), (1235, 60868), (2470, 30434), (4940, 15217)]