214095920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 518538240

約数和(自身を除く): 304442320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 131, 155, 248, 262, 310, 496, 524, 620, 655, 659, 1048, 1240, 1310, 1318, 2096, 2480, 2620, 2636, 3295, 4061, 5240, 5272, 6590, 8122, 10480, 10544, 13180, 16244, 20305, 20429, 26360, 32488, 40610, 40858, 52720, 64976, 81220, 81716, 86329, 102145, 162440, 163432, 172658, 204290, 324880, 326864, 345316, 408580, 431645, 690632, 817160, 863290, 1381264, 1634320, 1726580, 2676199, 3453160, 5352398, 6906320, 10704796, 13380995, 21409592, 26761990, 42819184, 53523980, 107047960, 214095920]

約数ペア:

[(1, 214095920), (2, 107047960), (4, 53523980), (5, 42819184), (8, 26761990), (10, 21409592), (16, 13380995), (20, 10704796), (31, 6906320), (40, 5352398), (62, 3453160), (80, 2676199), (124, 1726580), (131, 1634320), (155, 1381264), (248, 863290), (262, 817160), (310, 690632), (496, 431645), (524, 408580), (620, 345316), (655, 326864), (659, 324880), (1048, 204290), (1240, 172658), (1310, 163432), (1318, 162440), (2096, 102145), (2480, 86329), (2620, 81716), (2636, 81220), (3295, 64976), (4061, 52720), (5240, 40858), (5272, 40610), (6590, 32488), (8122, 26360), (10480, 20429), (10544, 20305), (13180, 16244)]