125478220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2183

約数の個数: 72

約数和(自身を含む): 311698800

約数和(自身を除く): 186220580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 610, 854, 980, 1220, 1708, 2099, 2135, 2989, 4198, 4270, 5978, 8396, 8540, 10495, 11956, 14693, 14945, 20990, 29386, 29890, 41980, 58772, 59780, 73465, 102851, 128039, 146930, 205702, 256078, 293860, 411404, 512156, 514255, 640195, 896273, 1028510, 1280390, 1792546, 2057020, 2560780, 3585092, 4481365, 6273911, 8962730, 12547822, 17925460, 25095644, 31369555, 62739110, 125478220]

約数ペア:

[(1, 125478220), (2, 62739110), (4, 31369555), (5, 25095644), (7, 17925460), (10, 12547822), (14, 8962730), (20, 6273911), (28, 4481365), (35, 3585092), (49, 2560780), (61, 2057020), (70, 1792546), (98, 1280390), (122, 1028510), (140, 896273), (196, 640195), (244, 514255), (245, 512156), (305, 411404), (427, 293860), (490, 256078), (610, 205702), (854, 146930), (980, 128039), (1220, 102851), (1708, 73465), (2099, 59780), (2135, 58772), (2989, 41980), (4198, 29890), (4270, 29386), (5978, 20990), (8396, 14945), (8540, 14693), (10495, 11956)]