221305280

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3187}}^1$

素因数の和:3242

約数の個数: 112

約数和(自身を含む): 621889536

約数和(自身を除く): 400584256

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3187, 3472, 4340, 4960, 6374, 6944, 8680, 9920, 12748, 13888, 15935, 17360, 22309, 25496, 31870, 34720, 44618, 50992, 63740, 69440, 89236, 98797, 101984, 111545, 127480, 178472, 197594, 203968, 223090, 254960, 356944, 395188, 446180, 493985, 509920, 691579, 713888, 790376, 892360, 987970, 1019840, 1383158, 1427776, 1580752, 1784720, 1975940, 2766316, 3161504, 3457895, 3569440, 3951880, 5532632, 6323008, 6915790, 7138880, 7903760, 11065264, 13831580, 15807520, 22130528, 27663160, 31615040, 44261056, 55326320, 110652640, 221305280]

約数ペア:

[(1, 221305280), (2, 110652640), (4, 55326320), (5, 44261056), (7, 31615040), (8, 27663160), (10, 22130528), (14, 15807520), (16, 13831580), (20, 11065264), (28, 7903760), (31, 7138880), (32, 6915790), (35, 6323008), (40, 5532632), (56, 3951880), (62, 3569440), (64, 3457895), (70, 3161504), (80, 2766316), (112, 1975940), (124, 1784720), (140, 1580752), (155, 1427776), (160, 1383158), (217, 1019840), (224, 987970), (248, 892360), (280, 790376), (310, 713888), (320, 691579), (434, 509920), (448, 493985), (496, 446180), (560, 395188), (620, 356944), (868, 254960), (992, 223090), (1085, 203968), (1120, 197594), (1240, 178472), (1736, 127480), (1984, 111545), (2170, 101984), (2240, 98797), (2480, 89236), (3187, 69440), (3472, 63740), (4340, 50992), (4960, 44618), (6374, 34720), (6944, 31870), (8680, 25496), (9920, 22309), (12748, 17360), (13888, 15935)]