28705070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 48

約数和(自身を含む): 55766880

約数和(自身を除く): 27061810

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 103, 145, 155, 206, 290, 310, 515, 899, 961, 1030, 1798, 1922, 2987, 3193, 4495, 4805, 5974, 6386, 8990, 9610, 14935, 15965, 27869, 29870, 31930, 55738, 92597, 98983, 139345, 185194, 197966, 278690, 462985, 494915, 925970, 989830, 2870507, 5741014, 14352535, 28705070]

約数ペア:

[(1, 28705070), (2, 14352535), (5, 5741014), (10, 2870507), (29, 989830), (31, 925970), (58, 494915), (62, 462985), (103, 278690), (145, 197966), (155, 185194), (206, 139345), (290, 98983), (310, 92597), (515, 55738), (899, 31930), (961, 29870), (1030, 27869), (1798, 15965), (1922, 14935), (2987, 9610), (3193, 8990), (4495, 6386), (4805, 5974)]