219834020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^3$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 559749120

約数和(自身を除く): 339915100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 62, 70, 74, 124, 140, 148, 155, 185, 217, 259, 310, 370, 434, 518, 620, 740, 868, 1036, 1085, 1147, 1295, 1369, 2170, 2294, 2590, 2738, 4340, 4588, 5180, 5476, 5735, 6845, 8029, 9583, 11470, 13690, 16058, 19166, 22940, 27380, 32116, 38332, 40145, 42439, 47915, 50653, 80290, 84878, 95830, 101306, 160580, 169756, 191660, 202612, 212195, 253265, 297073, 354571, 424390, 506530, 594146, 709142, 848780, 1013060, 1188292, 1418284, 1485365, 1570243, 1772855, 2970730, 3140486, 3545710, 5941460, 6280972, 7091420, 7851215, 10991701, 15702430, 21983402, 31404860, 43966804, 54958505, 109917010, 219834020]

約数ペア:

[(1, 219834020), (2, 109917010), (4, 54958505), (5, 43966804), (7, 31404860), (10, 21983402), (14, 15702430), (20, 10991701), (28, 7851215), (31, 7091420), (35, 6280972), (37, 5941460), (62, 3545710), (70, 3140486), (74, 2970730), (124, 1772855), (140, 1570243), (148, 1485365), (155, 1418284), (185, 1188292), (217, 1013060), (259, 848780), (310, 709142), (370, 594146), (434, 506530), (518, 424390), (620, 354571), (740, 297073), (868, 253265), (1036, 212195), (1085, 202612), (1147, 191660), (1295, 169756), (1369, 160580), (2170, 101306), (2294, 95830), (2590, 84878), (2738, 80290), (4340, 50653), (4588, 47915), (5180, 42439), (5476, 40145), (5735, 38332), (6845, 32116), (8029, 27380), (9583, 22940), (11470, 19166), (13690, 16058)]