164468980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:425

約数の個数: 96

約数和(自身を含む): 389942784

約数和(自身を除く): 225473804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 47, 52, 65, 86, 94, 130, 172, 188, 215, 235, 260, 313, 430, 470, 559, 611, 626, 860, 940, 1118, 1222, 1252, 1565, 2021, 2236, 2444, 2795, 3055, 3130, 4042, 4069, 5590, 6110, 6260, 8084, 8138, 10105, 11180, 12220, 13459, 14711, 16276, 20210, 20345, 26273, 26918, 29422, 40420, 40690, 52546, 53836, 58844, 67295, 73555, 81380, 105092, 131365, 134590, 147110, 174967, 191243, 262730, 269180, 294220, 349934, 382486, 525460, 632573, 699868, 764972, 874835, 956215, 1265146, 1749670, 1912430, 2530292, 3162865, 3499340, 3824860, 6325730, 8223449, 12651460, 16446898, 32893796, 41117245, 82234490, 164468980]

約数ペア:

[(1, 164468980), (2, 82234490), (4, 41117245), (5, 32893796), (10, 16446898), (13, 12651460), (20, 8223449), (26, 6325730), (43, 3824860), (47, 3499340), (52, 3162865), (65, 2530292), (86, 1912430), (94, 1749670), (130, 1265146), (172, 956215), (188, 874835), (215, 764972), (235, 699868), (260, 632573), (313, 525460), (430, 382486), (470, 349934), (559, 294220), (611, 269180), (626, 262730), (860, 191243), (940, 174967), (1118, 147110), (1222, 134590), (1252, 131365), (1565, 105092), (2021, 81380), (2236, 73555), (2444, 67295), (2795, 58844), (3055, 53836), (3130, 52546), (4042, 40690), (4069, 40420), (5590, 29422), (6110, 26918), (6260, 26273), (8084, 20345), (8138, 20210), (10105, 16276), (11180, 14711), (12220, 13459)]