1427190100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{21019}}^1$

素因数の和:21137

約数の個数: 72

約数和(自身を含む): 3576090560

約数和(自身を除く): 2148900460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 97, 100, 140, 175, 194, 350, 388, 485, 679, 700, 970, 1358, 1940, 2425, 2716, 3395, 4850, 6790, 9700, 13580, 16975, 21019, 33950, 42038, 67900, 84076, 105095, 147133, 210190, 294266, 420380, 525475, 588532, 735665, 1050950, 1471330, 2038843, 2101900, 2942660, 3678325, 4077686, 7356650, 8155372, 10194215, 14271901, 14713300, 20388430, 28543802, 40776860, 50971075, 57087604, 71359505, 101942150, 142719010, 203884300, 285438020, 356797525, 713595050, 1427190100]

約数ペア:

[(1, 1427190100), (2, 713595050), (4, 356797525), (5, 285438020), (7, 203884300), (10, 142719010), (14, 101942150), (20, 71359505), (25, 57087604), (28, 50971075), (35, 40776860), (50, 28543802), (70, 20388430), (97, 14713300), (100, 14271901), (140, 10194215), (175, 8155372), (194, 7356650), (350, 4077686), (388, 3678325), (485, 2942660), (679, 2101900), (700, 2038843), (970, 1471330), (1358, 1050950), (1940, 735665), (2425, 588532), (2716, 525475), (3395, 420380), (4850, 294266), (6790, 210190), (9700, 147133), (13580, 105095), (16975, 84076), (21019, 67900), (33950, 42038)]