210967640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 545529600

約数和(自身を除く): 334561960

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 131, 152, 163, 190, 247, 260, 262, 326, 380, 494, 520, 524, 652, 655, 760, 815, 988, 1048, 1235, 1304, 1310, 1630, 1703, 1976, 2119, 2470, 2489, 2620, 3097, 3260, 3406, 4238, 4940, 4978, 5240, 6194, 6520, 6812, 8476, 8515, 9880, 9956, 10595, 12388, 12445, 13624, 15485, 16952, 17030, 19912, 21190, 21353, 24776, 24890, 30970, 32357, 34060, 40261, 42380, 42706, 49780, 61940, 64714, 68120, 80522, 84760, 85412, 99560, 106765, 123880, 129428, 161044, 161785, 170824, 201305, 213530, 258856, 277589, 322088, 323570, 402610, 405707, 427060, 555178, 647140, 805220, 811414, 854120, 1110356, 1294280, 1387945, 1610440, 1622828, 2028535, 2220712, 2775890, 3245656, 4057070, 5274191, 5551780, 8114140, 10548382, 11103560, 16228280, 21096764, 26370955, 42193528, 52741910, 105483820, 210967640]

約数ペア:

[(1, 210967640), (2, 105483820), (4, 52741910), (5, 42193528), (8, 26370955), (10, 21096764), (13, 16228280), (19, 11103560), (20, 10548382), (26, 8114140), (38, 5551780), (40, 5274191), (52, 4057070), (65, 3245656), (76, 2775890), (95, 2220712), (104, 2028535), (130, 1622828), (131, 1610440), (152, 1387945), (163, 1294280), (190, 1110356), (247, 854120), (260, 811414), (262, 805220), (326, 647140), (380, 555178), (494, 427060), (520, 405707), (524, 402610), (652, 323570), (655, 322088), (760, 277589), (815, 258856), (988, 213530), (1048, 201305), (1235, 170824), (1304, 161785), (1310, 161044), (1630, 129428), (1703, 123880), (1976, 106765), (2119, 99560), (2470, 85412), (2489, 84760), (2620, 80522), (3097, 68120), (3260, 64714), (3406, 61940), (4238, 49780), (4940, 42706), (4978, 42380), (5240, 40261), (6194, 34060), (6520, 32357), (6812, 30970), (8476, 24890), (8515, 24776), (9880, 21353), (9956, 21190), (10595, 19912), (12388, 17030), (12445, 16952), (13624, 15485)]