199865680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 160

約数和(自身を含む): 568535040

約数和(自身を除く): 368669360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 80, 112, 116, 124, 140, 145, 155, 203, 217, 232, 248, 280, 290, 310, 397, 406, 434, 464, 496, 560, 580, 620, 794, 812, 868, 899, 1015, 1085, 1160, 1240, 1588, 1624, 1736, 1798, 1985, 2030, 2170, 2320, 2480, 2779, 3176, 3248, 3472, 3596, 3970, 4060, 4340, 4495, 5558, 6293, 6352, 7192, 7940, 8120, 8680, 8990, 11116, 11513, 12307, 12586, 13895, 14384, 15880, 16240, 17360, 17980, 22232, 23026, 24614, 25172, 27790, 31465, 31760, 35960, 44464, 46052, 49228, 50344, 55580, 57565, 61535, 62930, 71920, 80591, 86149, 92104, 98456, 100688, 111160, 115130, 123070, 125860, 161182, 172298, 184208, 196912, 222320, 230260, 246140, 251720, 322364, 344596, 356903, 402955, 430745, 460520, 492280, 503440, 644728, 689192, 713806, 805910, 861490, 921040, 984560, 1289456, 1378384, 1427612, 1611820, 1722980, 1784515, 2498321, 2855224, 3223640, 3445960, 3569030, 4996642, 5710448, 6447280, 6891920, 7138060, 9993284, 12491605, 14276120, 19986568, 24983210, 28552240, 39973136, 49966420, 99932840, 199865680]

約数ペア:

[(1, 199865680), (2, 99932840), (4, 49966420), (5, 39973136), (7, 28552240), (8, 24983210), (10, 19986568), (14, 14276120), (16, 12491605), (20, 9993284), (28, 7138060), (29, 6891920), (31, 6447280), (35, 5710448), (40, 4996642), (56, 3569030), (58, 3445960), (62, 3223640), (70, 2855224), (80, 2498321), (112, 1784515), (116, 1722980), (124, 1611820), (140, 1427612), (145, 1378384), (155, 1289456), (203, 984560), (217, 921040), (232, 861490), (248, 805910), (280, 713806), (290, 689192), (310, 644728), (397, 503440), (406, 492280), (434, 460520), (464, 430745), (496, 402955), (560, 356903), (580, 344596), (620, 322364), (794, 251720), (812, 246140), (868, 230260), (899, 222320), (1015, 196912), (1085, 184208), (1160, 172298), (1240, 161182), (1588, 125860), (1624, 123070), (1736, 115130), (1798, 111160), (1985, 100688), (2030, 98456), (2170, 92104), (2320, 86149), (2480, 80591), (2779, 71920), (3176, 62930), (3248, 61535), (3472, 57565), (3596, 55580), (3970, 50344), (4060, 49228), (4340, 46052), (4495, 44464), (5558, 35960), (6293, 31760), (6352, 31465), (7192, 27790), (7940, 25172), (8120, 24614), (8680, 23026), (8990, 22232), (11116, 17980), (11513, 17360), (12307, 16240), (12586, 15880), (13895, 14384)]