649781860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1601}}^1$

素因数の和:1853

約数の個数: 96

約数和(自身を含む): 1688020992

約数和(自身を除く): 1038239132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 223, 260, 364, 446, 455, 892, 910, 1115, 1561, 1601, 1820, 2230, 2899, 3122, 3202, 4460, 5798, 6244, 6404, 7805, 8005, 11207, 11596, 14495, 15610, 16010, 20293, 20813, 22414, 28990, 31220, 32020, 40586, 41626, 44828, 56035, 57980, 81172, 83252, 101465, 104065, 112070, 145691, 202930, 208130, 224140, 291382, 357023, 405860, 416260, 582764, 714046, 728455, 1428092, 1456910, 1785115, 2499161, 2913820, 3570230, 4641299, 4998322, 7140460, 9282598, 9996644, 12495805, 18565196, 23206495, 24991610, 32489093, 46412990, 49983220, 64978186, 92825980, 129956372, 162445465, 324890930, 649781860]

約数ペア:

[(1, 649781860), (2, 324890930), (4, 162445465), (5, 129956372), (7, 92825980), (10, 64978186), (13, 49983220), (14, 46412990), (20, 32489093), (26, 24991610), (28, 23206495), (35, 18565196), (52, 12495805), (65, 9996644), (70, 9282598), (91, 7140460), (130, 4998322), (140, 4641299), (182, 3570230), (223, 2913820), (260, 2499161), (364, 1785115), (446, 1456910), (455, 1428092), (892, 728455), (910, 714046), (1115, 582764), (1561, 416260), (1601, 405860), (1820, 357023), (2230, 291382), (2899, 224140), (3122, 208130), (3202, 202930), (4460, 145691), (5798, 112070), (6244, 104065), (6404, 101465), (7805, 83252), (8005, 81172), (11207, 57980), (11596, 56035), (14495, 44828), (15610, 41626), (16010, 40586), (20293, 32020), (20813, 31220), (22414, 28990)]