220777700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15439}}^1$

素因数の和:15477

約数の個数: 72

約数和(自身を含む): 562880640

約数和(自身を除く): 342102940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 2860, 3575, 7150, 14300, 15439, 30878, 61756, 77195, 154390, 169829, 200707, 308780, 339658, 385975, 401414, 679316, 771950, 802828, 849145, 1003535, 1543900, 1698290, 2007070, 2207777, 3396580, 4014140, 4245725, 4415554, 5017675, 8491450, 8831108, 10035350, 11038885, 16982900, 20070700, 22077770, 44155540, 55194425, 110388850, 220777700]

約数ペア:

[(1, 220777700), (2, 110388850), (4, 55194425), (5, 44155540), (10, 22077770), (11, 20070700), (13, 16982900), (20, 11038885), (22, 10035350), (25, 8831108), (26, 8491450), (44, 5017675), (50, 4415554), (52, 4245725), (55, 4014140), (65, 3396580), (100, 2207777), (110, 2007070), (130, 1698290), (143, 1543900), (220, 1003535), (260, 849145), (275, 802828), (286, 771950), (325, 679316), (550, 401414), (572, 385975), (650, 339658), (715, 308780), (1100, 200707), (1300, 169829), (1430, 154390), (2860, 77195), (3575, 61756), (7150, 30878), (14300, 15439)]