618356680

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{593}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 1411344000

約数和(自身を除く): 792987320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 199, 262, 398, 524, 593, 655, 796, 995, 1048, 1186, 1310, 1592, 1990, 2372, 2620, 2965, 3980, 4744, 5240, 5930, 7960, 11860, 23720, 26069, 52138, 77683, 104276, 118007, 130345, 155366, 208552, 236014, 260690, 310732, 388415, 472028, 521380, 590035, 621464, 776830, 944056, 1042760, 1180070, 1553660, 2360140, 3107320, 4720280, 15458917, 30917834, 61835668, 77294585, 123671336, 154589170, 309178340, 618356680]

約数ペア:

[(1, 618356680), (2, 309178340), (4, 154589170), (5, 123671336), (8, 77294585), (10, 61835668), (20, 30917834), (40, 15458917), (131, 4720280), (199, 3107320), (262, 2360140), (398, 1553660), (524, 1180070), (593, 1042760), (655, 944056), (796, 776830), (995, 621464), (1048, 590035), (1186, 521380), (1310, 472028), (1592, 388415), (1990, 310732), (2372, 260690), (2620, 236014), (2965, 208552), (3980, 155366), (4744, 130345), (5240, 118007), (5930, 104276), (7960, 77683), (11860, 52138), (23720, 26069)]