2853031990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{907}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 5418362880

約数和(自身を除く): 2565330890

約数列:

[1, 2, 5, 10, 31, 62, 73, 139, 146, 155, 278, 310, 365, 695, 730, 907, 1390, 1814, 2263, 4309, 4526, 4535, 8618, 9070, 10147, 11315, 20294, 21545, 22630, 28117, 43090, 50735, 56234, 66211, 101470, 126073, 132422, 140585, 252146, 281170, 314557, 331055, 629114, 630365, 662110, 1260730, 1572785, 2052541, 3145570, 3908263, 4105082, 7816526, 9203329, 10262705, 18406658, 19541315, 20525410, 39082630, 46016645, 92033290, 285303199, 570606398, 1426515995, 2853031990]

約数ペア:

[(1, 2853031990), (2, 1426515995), (5, 570606398), (10, 285303199), (31, 92033290), (62, 46016645), (73, 39082630), (139, 20525410), (146, 19541315), (155, 18406658), (278, 10262705), (310, 9203329), (365, 7816526), (695, 4105082), (730, 3908263), (907, 3145570), (1390, 2052541), (1814, 1572785), (2263, 1260730), (4309, 662110), (4526, 630365), (4535, 629114), (8618, 331055), (9070, 314557), (10147, 281170), (11315, 252146), (20294, 140585), (21545, 132422), (22630, 126073), (28117, 101470), (43090, 66211), (50735, 56234)]