220758440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:955

約数の個数: 128

約数和(自身を含む): 606873600

約数和(自身を除く): 386115160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 406, 434, 580, 620, 812, 868, 877, 899, 1015, 1085, 1160, 1240, 1624, 1736, 1754, 1798, 2030, 2170, 3508, 3596, 4060, 4340, 4385, 4495, 6139, 6293, 7016, 7192, 8120, 8680, 8770, 8990, 12278, 12586, 17540, 17980, 24556, 25172, 25433, 27187, 30695, 31465, 35080, 35960, 49112, 50344, 50866, 54374, 61390, 62930, 101732, 108748, 122780, 125860, 127165, 135935, 178031, 190309, 203464, 217496, 245560, 251720, 254330, 271870, 356062, 380618, 508660, 543740, 712124, 761236, 788423, 890155, 951545, 1017320, 1087480, 1424248, 1522472, 1576846, 1780310, 1903090, 3153692, 3560620, 3806180, 3942115, 5518961, 6307384, 7121240, 7612360, 7884230, 11037922, 15768460, 22075844, 27594805, 31536920, 44151688, 55189610, 110379220, 220758440]

約数ペア:

[(1, 220758440), (2, 110379220), (4, 55189610), (5, 44151688), (7, 31536920), (8, 27594805), (10, 22075844), (14, 15768460), (20, 11037922), (28, 7884230), (29, 7612360), (31, 7121240), (35, 6307384), (40, 5518961), (56, 3942115), (58, 3806180), (62, 3560620), (70, 3153692), (116, 1903090), (124, 1780310), (140, 1576846), (145, 1522472), (155, 1424248), (203, 1087480), (217, 1017320), (232, 951545), (248, 890155), (280, 788423), (290, 761236), (310, 712124), (406, 543740), (434, 508660), (580, 380618), (620, 356062), (812, 271870), (868, 254330), (877, 251720), (899, 245560), (1015, 217496), (1085, 203464), (1160, 190309), (1240, 178031), (1624, 135935), (1736, 127165), (1754, 125860), (1798, 122780), (2030, 108748), (2170, 101732), (3508, 62930), (3596, 61390), (4060, 54374), (4340, 50866), (4385, 50344), (4495, 49112), (6139, 35960), (6293, 35080), (7016, 31465), (7192, 30695), (8120, 27187), (8680, 25433), (8770, 25172), (8990, 24556), (12278, 17980), (12586, 17540)]