4726280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 11718000

約数和(自身を除く): 6991720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 149, 244, 260, 298, 305, 488, 520, 596, 610, 745, 793, 1192, 1220, 1490, 1586, 1937, 2440, 2980, 3172, 3874, 3965, 5960, 6344, 7748, 7930, 9089, 9685, 15496, 15860, 18178, 19370, 31720, 36356, 38740, 45445, 72712, 77480, 90890, 118157, 181780, 236314, 363560, 472628, 590785, 945256, 1181570, 2363140, 4726280]

約数ペア:

[(1, 4726280), (2, 2363140), (4, 1181570), (5, 945256), (8, 590785), (10, 472628), (13, 363560), (20, 236314), (26, 181780), (40, 118157), (52, 90890), (61, 77480), (65, 72712), (104, 45445), (122, 38740), (130, 36356), (149, 31720), (244, 19370), (260, 18178), (298, 15860), (305, 15496), (488, 9685), (520, 9089), (596, 7930), (610, 7748), (745, 6344), (793, 5960), (1192, 3965), (1220, 3874), (1490, 3172), (1586, 2980), (1937, 2440)]