211957980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{619}}^1$

素因数の和:1083

約数の個数: 96

約数和(自身を含む): 641625600

約数和(自身を除く): 429667620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 439, 619, 780, 878, 1238, 1317, 1756, 1857, 2195, 2476, 2634, 3095, 3714, 4390, 5268, 5707, 6190, 6585, 7428, 8047, 8780, 9285, 11414, 12380, 13170, 16094, 17121, 18570, 22828, 24141, 26340, 28535, 32188, 34242, 37140, 40235, 48282, 57070, 68484, 80470, 85605, 96564, 114140, 120705, 160940, 171210, 241410, 271741, 342420, 482820, 543482, 815223, 1086964, 1358705, 1630446, 2717410, 3260892, 3532633, 4076115, 5434820, 7065266, 8152230, 10597899, 14130532, 16304460, 17663165, 21195798, 35326330, 42391596, 52989495, 70652660, 105978990, 211957980]

約数ペア:

[(1, 211957980), (2, 105978990), (3, 70652660), (4, 52989495), (5, 42391596), (6, 35326330), (10, 21195798), (12, 17663165), (13, 16304460), (15, 14130532), (20, 10597899), (26, 8152230), (30, 7065266), (39, 5434820), (52, 4076115), (60, 3532633), (65, 3260892), (78, 2717410), (130, 1630446), (156, 1358705), (195, 1086964), (260, 815223), (390, 543482), (439, 482820), (619, 342420), (780, 271741), (878, 241410), (1238, 171210), (1317, 160940), (1756, 120705), (1857, 114140), (2195, 96564), (2476, 85605), (2634, 80470), (3095, 68484), (3714, 57070), (4390, 48282), (5268, 40235), (5707, 37140), (6190, 34242), (6585, 32188), (7428, 28535), (8047, 26340), (8780, 24141), (9285, 22828), (11414, 18570), (12380, 17121), (13170, 16094)]