220038420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{74843}}^1$

素因数の和:74869

約数の個数: 72

約数和(自身を含む): 716706144

約数和(自身を除く): 496667724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 74843, 149686, 224529, 299372, 374215, 449058, 523901, 748430, 898116, 1047802, 1122645, 1496860, 1571703, 2095604, 2245290, 2619505, 3143406, 3667307, 4490580, 5239010, 6286812, 7334614, 7858515, 10478020, 11001921, 14669228, 15717030, 18336535, 22003842, 31434060, 36673070, 44007684, 55009605, 73346140, 110019210, 220038420]

約数ペア:

[(1, 220038420), (2, 110019210), (3, 73346140), (4, 55009605), (5, 44007684), (6, 36673070), (7, 31434060), (10, 22003842), (12, 18336535), (14, 15717030), (15, 14669228), (20, 11001921), (21, 10478020), (28, 7858515), (30, 7334614), (35, 6286812), (42, 5239010), (49, 4490580), (60, 3667307), (70, 3143406), (84, 2619505), (98, 2245290), (105, 2095604), (140, 1571703), (147, 1496860), (196, 1122645), (210, 1047802), (245, 898116), (294, 748430), (420, 523901), (490, 449058), (588, 374215), (735, 299372), (980, 224529), (1470, 149686), (2940, 74843)]