664759700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9907}}^1$

素因数の和:9993

約数の個数: 72

約数和(自身を含む): 1599626784

約数和(自身を除く): 934867084

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 220, 244, 275, 305, 550, 610, 671, 1100, 1220, 1342, 1525, 2684, 3050, 3355, 6100, 6710, 9907, 13420, 16775, 19814, 33550, 39628, 49535, 67100, 99070, 108977, 198140, 217954, 247675, 435908, 495350, 544885, 604327, 990700, 1089770, 1208654, 2179540, 2417308, 2724425, 3021635, 5448850, 6043270, 6647597, 10897700, 12086540, 13295194, 15108175, 26590388, 30216350, 33237985, 60432700, 66475970, 132951940, 166189925, 332379850, 664759700]

約数ペア:

[(1, 664759700), (2, 332379850), (4, 166189925), (5, 132951940), (10, 66475970), (11, 60432700), (20, 33237985), (22, 30216350), (25, 26590388), (44, 15108175), (50, 13295194), (55, 12086540), (61, 10897700), (100, 6647597), (110, 6043270), (122, 5448850), (220, 3021635), (244, 2724425), (275, 2417308), (305, 2179540), (550, 1208654), (610, 1089770), (671, 990700), (1100, 604327), (1220, 544885), (1342, 495350), (1525, 435908), (2684, 247675), (3050, 217954), (3355, 198140), (6100, 108977), (6710, 99070), (9907, 67100), (13420, 49535), (16775, 39628), (19814, 33550)]