2690380880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{98621}}^1$

素因数の和:98676

約数の個数: 80

約数和(自身を含む): 7043977728

約数和(自身を除く): 4353596848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 13640, 27280, 98621, 197242, 394484, 493105, 788968, 986210, 1084831, 1577936, 1972420, 2169662, 3057251, 3944840, 4339324, 5424155, 6114502, 7889680, 8678648, 10848310, 12229004, 15286255, 17357296, 21696620, 24458008, 30572510, 33629761, 43393240, 48916016, 61145020, 67259522, 86786480, 122290040, 134519044, 168148805, 244580080, 269038088, 336297610, 538076176, 672595220, 1345190440, 2690380880]

約数ペア:

[(1, 2690380880), (2, 1345190440), (4, 672595220), (5, 538076176), (8, 336297610), (10, 269038088), (11, 244580080), (16, 168148805), (20, 134519044), (22, 122290040), (31, 86786480), (40, 67259522), (44, 61145020), (55, 48916016), (62, 43393240), (80, 33629761), (88, 30572510), (110, 24458008), (124, 21696620), (155, 17357296), (176, 15286255), (220, 12229004), (248, 10848310), (310, 8678648), (341, 7889680), (440, 6114502), (496, 5424155), (620, 4339324), (682, 3944840), (880, 3057251), (1240, 2169662), (1364, 1972420), (1705, 1577936), (2480, 1084831), (2728, 986210), (3410, 788968), (5456, 493105), (6820, 394484), (13640, 197242), (27280, 98621)]