203411780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5471}}^1$

素因数の和:5517

約数の個数: 72

約数和(自身を含む): 504693504

約数和(自身を除く): 301281724

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 169, 220, 260, 286, 338, 572, 676, 715, 845, 1430, 1690, 1859, 2860, 3380, 3718, 5471, 7436, 9295, 10942, 18590, 21884, 27355, 37180, 54710, 60181, 71123, 109420, 120362, 142246, 240724, 284492, 300905, 355615, 601810, 711230, 782353, 924599, 1203620, 1422460, 1564706, 1849198, 3129412, 3698396, 3911765, 4622995, 7823530, 9245990, 10170589, 15647060, 18491980, 20341178, 40682356, 50852945, 101705890, 203411780]

約数ペア:

[(1, 203411780), (2, 101705890), (4, 50852945), (5, 40682356), (10, 20341178), (11, 18491980), (13, 15647060), (20, 10170589), (22, 9245990), (26, 7823530), (44, 4622995), (52, 3911765), (55, 3698396), (65, 3129412), (110, 1849198), (130, 1564706), (143, 1422460), (169, 1203620), (220, 924599), (260, 782353), (286, 711230), (338, 601810), (572, 355615), (676, 300905), (715, 284492), (845, 240724), (1430, 142246), (1690, 120362), (1859, 109420), (2860, 71123), (3380, 60181), (3718, 54710), (5471, 37180), (7436, 27355), (9295, 21884), (10942, 18590)]