220788500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 511999488

約数和(自身を除く): 291210988

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 73, 92, 100, 115, 125, 146, 230, 250, 263, 292, 365, 460, 500, 526, 575, 730, 1052, 1150, 1315, 1460, 1679, 1825, 2300, 2630, 2875, 3358, 3650, 5260, 5750, 6049, 6575, 6716, 7300, 8395, 9125, 11500, 12098, 13150, 16790, 18250, 19199, 24196, 26300, 30245, 32875, 33580, 36500, 38398, 41975, 60490, 65750, 76796, 83950, 95995, 120980, 131500, 151225, 167900, 191990, 209875, 302450, 383980, 419750, 441577, 479975, 604900, 756125, 839500, 883154, 959950, 1512250, 1766308, 1919900, 2207885, 2399875, 3024500, 4415770, 4799750, 8831540, 9599500, 11039425, 22078850, 44157700, 55197125, 110394250, 220788500]

約数ペア:

[(1, 220788500), (2, 110394250), (4, 55197125), (5, 44157700), (10, 22078850), (20, 11039425), (23, 9599500), (25, 8831540), (46, 4799750), (50, 4415770), (73, 3024500), (92, 2399875), (100, 2207885), (115, 1919900), (125, 1766308), (146, 1512250), (230, 959950), (250, 883154), (263, 839500), (292, 756125), (365, 604900), (460, 479975), (500, 441577), (526, 419750), (575, 383980), (730, 302450), (1052, 209875), (1150, 191990), (1315, 167900), (1460, 151225), (1679, 131500), (1825, 120980), (2300, 95995), (2630, 83950), (2875, 76796), (3358, 65750), (3650, 60490), (5260, 41975), (5750, 38398), (6049, 36500), (6575, 33580), (6716, 32875), (7300, 30245), (8395, 26300), (9125, 24196), (11500, 19199), (12098, 18250), (13150, 16790)]