28867740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{229}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 89026560

約数和(自身を除く): 60158820

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 191, 220, 229, 330, 382, 458, 573, 660, 687, 764, 916, 955, 1145, 1146, 1374, 1910, 2101, 2290, 2292, 2519, 2748, 2865, 3435, 3820, 4202, 4580, 5038, 5730, 6303, 6870, 7557, 8404, 10076, 10505, 11460, 12595, 12606, 13740, 15114, 21010, 25190, 25212, 30228, 31515, 37785, 42020, 43739, 50380, 63030, 75570, 87478, 126060, 131217, 151140, 174956, 218695, 262434, 437390, 481129, 524868, 656085, 874780, 962258, 1312170, 1443387, 1924516, 2405645, 2624340, 2886774, 4811290, 5773548, 7216935, 9622580, 14433870, 28867740]

約数ペア:

[(1, 28867740), (2, 14433870), (3, 9622580), (4, 7216935), (5, 5773548), (6, 4811290), (10, 2886774), (11, 2624340), (12, 2405645), (15, 1924516), (20, 1443387), (22, 1312170), (30, 962258), (33, 874780), (44, 656085), (55, 524868), (60, 481129), (66, 437390), (110, 262434), (132, 218695), (165, 174956), (191, 151140), (220, 131217), (229, 126060), (330, 87478), (382, 75570), (458, 63030), (573, 50380), (660, 43739), (687, 42020), (764, 37785), (916, 31515), (955, 30228), (1145, 25212), (1146, 25190), (1374, 21010), (1910, 15114), (2101, 13740), (2290, 12606), (2292, 12595), (2519, 11460), (2748, 10505), (2865, 10076), (3435, 8404), (3820, 7557), (4202, 6870), (4580, 6303), (5038, 5730)]