28848820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 82583424

約数和(自身を除く): 53734604

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 121, 130, 131, 140, 143, 154, 182, 220, 242, 260, 262, 286, 308, 364, 385, 455, 484, 524, 572, 605, 655, 715, 770, 847, 910, 917, 1001, 1210, 1310, 1430, 1441, 1540, 1573, 1694, 1703, 1820, 1834, 2002, 2420, 2620, 2860, 2882, 3146, 3388, 3406, 3668, 4004, 4235, 4585, 5005, 5764, 6292, 6812, 7205, 7865, 8470, 8515, 9170, 10010, 10087, 11011, 11921, 14410, 15730, 15851, 16940, 17030, 18340, 18733, 20020, 20174, 22022, 23842, 28820, 31460, 31702, 34060, 37466, 40348, 44044, 47684, 50435, 55055, 59605, 63404, 74932, 79255, 93665, 100870, 110110, 110957, 119210, 131131, 158510, 187330, 201740, 206063, 220220, 221914, 238420, 262262, 317020, 374660, 412126, 443828, 524524, 554785, 655655, 824252, 1030315, 1109570, 1311310, 1442441, 2060630, 2219140, 2622620, 2884882, 4121260, 5769764, 7212205, 14424410, 28848820]

約数ペア:

[(1, 28848820), (2, 14424410), (4, 7212205), (5, 5769764), (7, 4121260), (10, 2884882), (11, 2622620), (13, 2219140), (14, 2060630), (20, 1442441), (22, 1311310), (26, 1109570), (28, 1030315), (35, 824252), (44, 655655), (52, 554785), (55, 524524), (65, 443828), (70, 412126), (77, 374660), (91, 317020), (110, 262262), (121, 238420), (130, 221914), (131, 220220), (140, 206063), (143, 201740), (154, 187330), (182, 158510), (220, 131131), (242, 119210), (260, 110957), (262, 110110), (286, 100870), (308, 93665), (364, 79255), (385, 74932), (455, 63404), (484, 59605), (524, 55055), (572, 50435), (605, 47684), (655, 44044), (715, 40348), (770, 37466), (847, 34060), (910, 31702), (917, 31460), (1001, 28820), (1210, 23842), (1310, 22022), (1430, 20174), (1441, 20020), (1540, 18733), (1573, 18340), (1694, 17030), (1703, 16940), (1820, 15851), (1834, 15730), (2002, 14410), (2420, 11921), (2620, 11011), (2860, 10087), (2882, 10010), (3146, 9170), (3388, 8515), (3406, 8470), (3668, 7865), (4004, 7205), (4235, 6812), (4585, 6292), (5005, 5764)]