28899130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 59222016

約数和(自身を除く): 30322886

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 71, 101, 130, 142, 155, 202, 310, 355, 403, 505, 710, 806, 923, 1010, 1313, 1846, 2015, 2201, 2626, 3131, 4030, 4402, 4615, 6262, 6565, 7171, 9230, 11005, 13130, 14342, 15655, 22010, 28613, 31310, 35855, 40703, 57226, 71710, 81406, 93223, 143065, 186446, 203515, 222301, 286130, 407030, 444602, 466115, 932230, 1111505, 2223010, 2889913, 5779826, 14449565, 28899130]

約数ペア:

[(1, 28899130), (2, 14449565), (5, 5779826), (10, 2889913), (13, 2223010), (26, 1111505), (31, 932230), (62, 466115), (65, 444602), (71, 407030), (101, 286130), (130, 222301), (142, 203515), (155, 186446), (202, 143065), (310, 93223), (355, 81406), (403, 71710), (505, 57226), (710, 40703), (806, 35855), (923, 31310), (1010, 28613), (1313, 22010), (1846, 15655), (2015, 14342), (2201, 13130), (2626, 11005), (3131, 9230), (4030, 7171), (4402, 6565), (4615, 6262)]