84291980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7649}}^1$

素因数の和:7706

約数の個数: 48

約数和(自身を含む): 192780000

約数和(自身を除く): 108488020

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 2204, 2755, 5510, 7649, 11020, 15298, 30596, 38245, 76490, 145331, 152980, 221821, 290662, 443642, 581324, 726655, 887284, 1109105, 1453310, 2218210, 2906620, 4214599, 4436420, 8429198, 16858396, 21072995, 42145990, 84291980]

約数ペア:

[(1, 84291980), (2, 42145990), (4, 21072995), (5, 16858396), (10, 8429198), (19, 4436420), (20, 4214599), (29, 2906620), (38, 2218210), (58, 1453310), (76, 1109105), (95, 887284), (116, 726655), (145, 581324), (190, 443642), (290, 290662), (380, 221821), (551, 152980), (580, 145331), (1102, 76490), (2204, 38245), (2755, 30596), (5510, 15298), (7649, 11020)]