99940900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 226763264

約数和(自身を除く): 126822364

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 103, 124, 155, 206, 310, 313, 412, 515, 620, 626, 775, 1030, 1252, 1550, 1565, 2060, 2575, 3100, 3130, 3193, 5150, 6260, 6386, 7825, 9703, 10300, 12772, 15650, 15965, 19406, 31300, 31930, 32239, 38812, 48515, 63860, 64478, 79825, 97030, 128956, 159650, 161195, 194060, 242575, 319300, 322390, 485150, 644780, 805975, 970300, 999409, 1611950, 1998818, 3223900, 3997636, 4997045, 9994090, 19988180, 24985225, 49970450, 99940900]

約数ペア:

[(1, 99940900), (2, 49970450), (4, 24985225), (5, 19988180), (10, 9994090), (20, 4997045), (25, 3997636), (31, 3223900), (50, 1998818), (62, 1611950), (100, 999409), (103, 970300), (124, 805975), (155, 644780), (206, 485150), (310, 322390), (313, 319300), (412, 242575), (515, 194060), (620, 161195), (626, 159650), (775, 128956), (1030, 97030), (1252, 79825), (1550, 64478), (1565, 63860), (2060, 48515), (2575, 38812), (3100, 32239), (3130, 31930), (3193, 31300), (5150, 19406), (6260, 15965), (6386, 15650), (7825, 12772), (9703, 10300)]