437781890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3461}}^1$

素因数の和:3627

約数の個数: 64

約数和(自身を含む): 977114880

約数和(自身を除く): 539332990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 139, 182, 278, 455, 695, 910, 973, 1390, 1807, 1946, 3461, 3614, 4865, 6922, 9035, 9730, 12649, 17305, 18070, 24227, 25298, 34610, 44993, 48454, 63245, 89986, 121135, 126490, 224965, 242270, 314951, 449930, 481079, 629902, 962158, 1574755, 2405395, 3149510, 3367553, 4810790, 6254027, 6735106, 12508054, 16837765, 31270135, 33675530, 43778189, 62540270, 87556378, 218890945, 437781890]

約数ペア:

[(1, 437781890), (2, 218890945), (5, 87556378), (7, 62540270), (10, 43778189), (13, 33675530), (14, 31270135), (26, 16837765), (35, 12508054), (65, 6735106), (70, 6254027), (91, 4810790), (130, 3367553), (139, 3149510), (182, 2405395), (278, 1574755), (455, 962158), (695, 629902), (910, 481079), (973, 449930), (1390, 314951), (1807, 242270), (1946, 224965), (3461, 126490), (3614, 121135), (4865, 89986), (6922, 63245), (9035, 48454), (9730, 44993), (12649, 34610), (17305, 25298), (18070, 24227)]