225555820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:212

約数の個数: 144

約数和(自身を含む): 579156480

約数和(自身を除く): 353600660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 59, 70, 83, 94, 98, 118, 140, 166, 188, 196, 235, 236, 245, 295, 329, 332, 413, 415, 470, 490, 581, 590, 658, 826, 830, 940, 980, 1162, 1180, 1316, 1645, 1652, 1660, 2065, 2303, 2324, 2773, 2891, 2905, 3290, 3901, 4067, 4130, 4606, 4897, 5546, 5782, 5810, 6580, 7802, 8134, 8260, 9212, 9794, 11092, 11515, 11564, 11620, 13865, 14455, 15604, 16268, 19411, 19505, 19588, 20335, 23030, 24485, 27307, 27730, 28910, 34279, 38822, 39010, 40670, 46060, 48970, 54614, 55460, 57820, 68558, 77644, 78020, 81340, 97055, 97940, 109228, 135877, 136535, 137116, 171395, 191149, 194110, 230159, 239953, 271754, 273070, 342790, 382298, 388220, 460318, 479906, 543508, 546140, 679385, 685580, 764596, 920636, 955745, 959812, 1150795, 1199765, 1358770, 1611113, 1911490, 2301590, 2399530, 2717540, 3222226, 3822980, 4603180, 4799060, 6444452, 8055565, 11277791, 16111130, 22555582, 32222260, 45111164, 56388955, 112777910, 225555820]

約数ペア:

[(1, 225555820), (2, 112777910), (4, 56388955), (5, 45111164), (7, 32222260), (10, 22555582), (14, 16111130), (20, 11277791), (28, 8055565), (35, 6444452), (47, 4799060), (49, 4603180), (59, 3822980), (70, 3222226), (83, 2717540), (94, 2399530), (98, 2301590), (118, 1911490), (140, 1611113), (166, 1358770), (188, 1199765), (196, 1150795), (235, 959812), (236, 955745), (245, 920636), (295, 764596), (329, 685580), (332, 679385), (413, 546140), (415, 543508), (470, 479906), (490, 460318), (581, 388220), (590, 382298), (658, 342790), (826, 273070), (830, 271754), (940, 239953), (980, 230159), (1162, 194110), (1180, 191149), (1316, 171395), (1645, 137116), (1652, 136535), (1660, 135877), (2065, 109228), (2303, 97940), (2324, 97055), (2773, 81340), (2891, 78020), (2905, 77644), (3290, 68558), (3901, 57820), (4067, 55460), (4130, 54614), (4606, 48970), (4897, 46060), (5546, 40670), (5782, 39010), (5810, 38822), (6580, 34279), (7802, 28910), (8134, 27730), (8260, 27307), (9212, 24485), (9794, 23030), (11092, 20335), (11515, 19588), (11564, 19505), (11620, 19411), (13865, 16268), (14455, 15604)]