1989180900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{315743}}^1$

素因数の和:315770

約数の個数: 108

約数和(自身を含む): 7125710592

約数和(自身を除く): 5136529692

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 210, 225, 252, 300, 315, 350, 420, 450, 525, 630, 700, 900, 1050, 1260, 1575, 2100, 3150, 6300, 315743, 631486, 947229, 1262972, 1578715, 1894458, 2210201, 2841687, 3157430, 3788916, 4420402, 4736145, 5683374, 6314860, 6630603, 7893575, 8840804, 9472290, 11051005, 11366748, 13261206, 14208435, 15787150, 18944580, 19891809, 22102010, 23680725, 26522412, 28416870, 31574300, 33153015, 39783618, 44204020, 47361450, 55255025, 56833740, 66306030, 71042175, 79567236, 94722900, 99459045, 110510050, 132612060, 142084350, 165765075, 198918090, 221020100, 284168700, 331530150, 397836180, 497295225, 663060300, 994590450, 1989180900]

約数ペア:

[(1, 1989180900), (2, 994590450), (3, 663060300), (4, 497295225), (5, 397836180), (6, 331530150), (7, 284168700), (9, 221020100), (10, 198918090), (12, 165765075), (14, 142084350), (15, 132612060), (18, 110510050), (20, 99459045), (21, 94722900), (25, 79567236), (28, 71042175), (30, 66306030), (35, 56833740), (36, 55255025), (42, 47361450), (45, 44204020), (50, 39783618), (60, 33153015), (63, 31574300), (70, 28416870), (75, 26522412), (84, 23680725), (90, 22102010), (100, 19891809), (105, 18944580), (126, 15787150), (140, 14208435), (150, 13261206), (175, 11366748), (180, 11051005), (210, 9472290), (225, 8840804), (252, 7893575), (300, 6630603), (315, 6314860), (350, 5683374), (420, 4736145), (450, 4420402), (525, 3788916), (630, 3157430), (700, 2841687), (900, 2210201), (1050, 1894458), (1260, 1578715), (1575, 1262972), (2100, 947229), (3150, 631486), (6300, 315743)]