31454150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 74661888

約数和(自身を除く): 43207738

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 50, 62, 65, 70, 91, 130, 155, 175, 182, 217, 223, 310, 325, 350, 403, 434, 446, 455, 650, 775, 806, 910, 1085, 1115, 1550, 1561, 2015, 2170, 2230, 2275, 2821, 2899, 3122, 4030, 4550, 5425, 5575, 5642, 5798, 6913, 7805, 10075, 10850, 11150, 13826, 14105, 14495, 15610, 20150, 20293, 28210, 28990, 34565, 39025, 40586, 48391, 69130, 70525, 72475, 78050, 89869, 96782, 101465, 141050, 144950, 172825, 179738, 202930, 241955, 345650, 449345, 483910, 507325, 629083, 898690, 1014650, 1209775, 1258166, 2246725, 2419550, 3145415, 4493450, 6290830, 15727075, 31454150]

約数ペア:

[(1, 31454150), (2, 15727075), (5, 6290830), (7, 4493450), (10, 3145415), (13, 2419550), (14, 2246725), (25, 1258166), (26, 1209775), (31, 1014650), (35, 898690), (50, 629083), (62, 507325), (65, 483910), (70, 449345), (91, 345650), (130, 241955), (155, 202930), (175, 179738), (182, 172825), (217, 144950), (223, 141050), (310, 101465), (325, 96782), (350, 89869), (403, 78050), (434, 72475), (446, 70525), (455, 69130), (650, 48391), (775, 40586), (806, 39025), (910, 34565), (1085, 28990), (1115, 28210), (1550, 20293), (1561, 20150), (2015, 15610), (2170, 14495), (2230, 14105), (2275, 13826), (2821, 11150), (2899, 10850), (3122, 10075), (4030, 7805), (4550, 6913), (5425, 5798), (5575, 5642)]