387404892

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{491}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 1169086464

約数和(自身を除く): 781681572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 101, 124, 126, 186, 202, 217, 252, 279, 303, 372, 404, 434, 491, 558, 606, 651, 707, 868, 909, 982, 1116, 1212, 1302, 1414, 1473, 1818, 1953, 1964, 2121, 2604, 2828, 2946, 3131, 3437, 3636, 3906, 4242, 4419, 5892, 6262, 6363, 6874, 7812, 8484, 8838, 9393, 10311, 12524, 12726, 13748, 15221, 17676, 18786, 20622, 21917, 25452, 28179, 30442, 30933, 37572, 41244, 43834, 45663, 49591, 56358, 60884, 61866, 65751, 87668, 91326, 99182, 106547, 112716, 123732, 131502, 136989, 148773, 182652, 197253, 198364, 213094, 263004, 273978, 297546, 319641, 347137, 394506, 426188, 446319, 547956, 595092, 639282, 694274, 789012, 892638, 958923, 1041411, 1278564, 1388548, 1537321, 1785276, 1917846, 2082822, 3074642, 3124233, 3835692, 4165644, 4611963, 6149284, 6248466, 9223926, 10761247, 12496932, 13835889, 18447852, 21522494, 27671778, 32283741, 43044988, 55343556, 64567482, 96851223, 129134964, 193702446, 387404892]

約数ペア:

[(1, 387404892), (2, 193702446), (3, 129134964), (4, 96851223), (6, 64567482), (7, 55343556), (9, 43044988), (12, 32283741), (14, 27671778), (18, 21522494), (21, 18447852), (28, 13835889), (31, 12496932), (36, 10761247), (42, 9223926), (62, 6248466), (63, 6149284), (84, 4611963), (93, 4165644), (101, 3835692), (124, 3124233), (126, 3074642), (186, 2082822), (202, 1917846), (217, 1785276), (252, 1537321), (279, 1388548), (303, 1278564), (372, 1041411), (404, 958923), (434, 892638), (491, 789012), (558, 694274), (606, 639282), (651, 595092), (707, 547956), (868, 446319), (909, 426188), (982, 394506), (1116, 347137), (1212, 319641), (1302, 297546), (1414, 273978), (1473, 263004), (1818, 213094), (1953, 198364), (1964, 197253), (2121, 182652), (2604, 148773), (2828, 136989), (2946, 131502), (3131, 123732), (3437, 112716), (3636, 106547), (3906, 99182), (4242, 91326), (4419, 87668), (5892, 65751), (6262, 61866), (6363, 60884), (6874, 56358), (7812, 49591), (8484, 45663), (8838, 43834), (9393, 41244), (10311, 37572), (12524, 30933), (12726, 30442), (13748, 28179), (15221, 25452), (17676, 21917), (18786, 20622)]