129804519980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1\times {\mathrm{2441}}^1$

素因数の和:3111

約数の個数: 96

約数和(自身を含む): 283568947200

約数和(自身を除く): 153764427220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 199, 310, 398, 431, 620, 796, 862, 995, 1724, 1990, 2155, 2441, 3980, 4310, 4882, 6169, 8620, 9764, 12205, 12338, 13361, 24410, 24676, 26722, 30845, 48820, 53444, 61690, 66805, 75671, 85769, 123380, 133610, 151342, 171538, 267220, 302684, 343076, 378355, 428845, 485759, 756710, 857690, 971518, 1052071, 1513420, 1715380, 1943036, 2104142, 2428795, 2658839, 4208284, 4857590, 5260355, 5317678, 9715180, 10520710, 10635356, 13294195, 15058529, 21041420, 26588390, 30117058, 32614201, 53176780, 60234116, 65228402, 75292645, 130456804, 150585290, 163071005, 209362129, 301170580, 326142010, 418724258, 652284020, 837448516, 1046810645, 2093621290, 4187242580, 6490225999, 12980451998, 25960903996, 32451129995, 64902259990, 129804519980]

約数ペア:

[(1, 129804519980), (2, 64902259990), (4, 32451129995), (5, 25960903996), (10, 12980451998), (20, 6490225999), (31, 4187242580), (62, 2093621290), (124, 1046810645), (155, 837448516), (199, 652284020), (310, 418724258), (398, 326142010), (431, 301170580), (620, 209362129), (796, 163071005), (862, 150585290), (995, 130456804), (1724, 75292645), (1990, 65228402), (2155, 60234116), (2441, 53176780), (3980, 32614201), (4310, 30117058), (4882, 26588390), (6169, 21041420), (8620, 15058529), (9764, 13294195), (12205, 10635356), (12338, 10520710), (13361, 9715180), (24410, 5317678), (24676, 5260355), (26722, 4857590), (30845, 4208284), (48820, 2658839), (53444, 2428795), (61690, 2104142), (66805, 1943036), (75671, 1715380), (85769, 1513420), (123380, 1052071), (133610, 971518), (151342, 857690), (171538, 756710), (267220, 485759), (302684, 428845), (343076, 378355)]