1639194830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 3753243648

約数和(自身を除く): 2114048818

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 43, 65, 70, 86, 91, 130, 163, 182, 215, 257, 301, 326, 430, 455, 514, 559, 602, 815, 910, 1118, 1141, 1285, 1505, 1630, 1799, 2119, 2282, 2570, 2795, 3010, 3341, 3598, 3913, 4238, 5590, 5705, 6682, 7009, 7826, 8995, 10595, 11051, 11410, 14018, 14833, 16705, 17990, 19565, 21190, 22102, 23387, 29666, 33410, 35045, 39130, 41891, 46774, 49063, 55255, 70090, 74165, 77357, 83782, 91117, 98126, 110510, 116935, 143663, 148330, 154714, 182234, 209455, 233870, 245315, 287326, 293237, 386785, 418910, 455585, 490630, 544583, 586474, 637819, 718315, 773570, 911170, 1005641, 1089166, 1275638, 1436630, 1466185, 1801313, 2011282, 2722915, 2932370, 3189095, 3602626, 3812081, 5028205, 5445830, 6378190, 7624162, 9006565, 10056410, 12609191, 18013130, 19060405, 23417069, 25218382, 38120810, 46834138, 63045955, 117085345, 126091910, 163919483, 234170690, 327838966, 819597415, 1639194830]

約数ペア:

[(1, 1639194830), (2, 819597415), (5, 327838966), (7, 234170690), (10, 163919483), (13, 126091910), (14, 117085345), (26, 63045955), (35, 46834138), (43, 38120810), (65, 25218382), (70, 23417069), (86, 19060405), (91, 18013130), (130, 12609191), (163, 10056410), (182, 9006565), (215, 7624162), (257, 6378190), (301, 5445830), (326, 5028205), (430, 3812081), (455, 3602626), (514, 3189095), (559, 2932370), (602, 2722915), (815, 2011282), (910, 1801313), (1118, 1466185), (1141, 1436630), (1285, 1275638), (1505, 1089166), (1630, 1005641), (1799, 911170), (2119, 773570), (2282, 718315), (2570, 637819), (2795, 586474), (3010, 544583), (3341, 490630), (3598, 455585), (3913, 418910), (4238, 386785), (5590, 293237), (5705, 287326), (6682, 245315), (7009, 233870), (7826, 209455), (8995, 182234), (10595, 154714), (11051, 148330), (11410, 143663), (14018, 116935), (14833, 110510), (16705, 98126), (17990, 91117), (19565, 83782), (21190, 77357), (22102, 74165), (23387, 70090), (29666, 55255), (33410, 49063), (35045, 46774), (39130, 41891)]