172819790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7109}}^1$

素因数の和:7157

約数の個数: 64

約数和(自身を含む): 387011520

約数和(自身を除く): 214191730

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 26, 34, 55, 65, 85, 110, 130, 143, 170, 187, 221, 286, 374, 442, 715, 935, 1105, 1430, 1870, 2210, 2431, 4862, 7109, 12155, 14218, 24310, 35545, 71090, 78199, 92417, 120853, 156398, 184834, 241706, 390995, 462085, 604265, 781990, 924170, 1016587, 1208530, 1329383, 1571089, 2033174, 2658766, 3142178, 5082935, 6646915, 7855445, 10165870, 13293830, 15710890, 17281979, 34563958, 86409895, 172819790]

約数ペア:

[(1, 172819790), (2, 86409895), (5, 34563958), (10, 17281979), (11, 15710890), (13, 13293830), (17, 10165870), (22, 7855445), (26, 6646915), (34, 5082935), (55, 3142178), (65, 2658766), (85, 2033174), (110, 1571089), (130, 1329383), (143, 1208530), (170, 1016587), (187, 924170), (221, 781990), (286, 604265), (374, 462085), (442, 390995), (715, 241706), (935, 184834), (1105, 156398), (1430, 120853), (1870, 92417), (2210, 78199), (2431, 71090), (4862, 35545), (7109, 24310), (12155, 14218)]