28741030

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 29319770

約数列:

[1, 2, 5, 10, 23, 29, 31, 46, 58, 62, 115, 139, 145, 155, 230, 278, 290, 310, 667, 695, 713, 899, 1334, 1390, 1426, 1798, 3197, 3335, 3565, 4031, 4309, 4495, 6394, 6670, 7130, 8062, 8618, 8990, 15985, 20155, 20677, 21545, 31970, 40310, 41354, 43090, 92713, 99107, 103385, 124961, 185426, 198214, 206770, 249922, 463565, 495535, 624805, 927130, 991070, 1249610, 2874103, 5748206, 14370515, 28741030]

約数ペア:

[(1, 28741030), (2, 14370515), (5, 5748206), (10, 2874103), (23, 1249610), (29, 991070), (31, 927130), (46, 624805), (58, 495535), (62, 463565), (115, 249922), (139, 206770), (145, 198214), (155, 185426), (230, 124961), (278, 103385), (290, 99107), (310, 92713), (667, 43090), (695, 41354), (713, 40310), (899, 31970), (1334, 21545), (1390, 20677), (1426, 20155), (1798, 15985), (3197, 8990), (3335, 8618), (3565, 8062), (4031, 7130), (4309, 6670), (4495, 6394)]