289326440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7043}}^1$

素因数の和:7146

約数の個数: 64

約数和(自身を含む): 710035200

約数和(自身を除く): 420708760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 4108, 5135, 7043, 8216, 10270, 14086, 20540, 28172, 35215, 41080, 56344, 70430, 91559, 140860, 183118, 281720, 366236, 457795, 556397, 732472, 915590, 1112794, 1831180, 2225588, 2781985, 3662360, 4451176, 5563970, 7233161, 11127940, 14466322, 22255880, 28932644, 36165805, 57865288, 72331610, 144663220, 289326440]

約数ペア:

[(1, 289326440), (2, 144663220), (4, 72331610), (5, 57865288), (8, 36165805), (10, 28932644), (13, 22255880), (20, 14466322), (26, 11127940), (40, 7233161), (52, 5563970), (65, 4451176), (79, 3662360), (104, 2781985), (130, 2225588), (158, 1831180), (260, 1112794), (316, 915590), (395, 732472), (520, 556397), (632, 457795), (790, 366236), (1027, 281720), (1580, 183118), (2054, 140860), (3160, 91559), (4108, 70430), (5135, 56344), (7043, 41080), (8216, 35215), (10270, 28172), (14086, 20540)]