998133040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{12983}}^1$

素因数の和:13058

約数の個数: 60

約数和(自身を含む): 2398118832

約数和(自身を除く): 1399985792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 3844, 4805, 7688, 9610, 12983, 15376, 19220, 25966, 38440, 51932, 64915, 76880, 103864, 129830, 207728, 259660, 402473, 519320, 804946, 1038640, 1609892, 2012365, 3219784, 4024730, 6439568, 8049460, 12476663, 16098920, 24953326, 32197840, 49906652, 62383315, 99813304, 124766630, 199626608, 249533260, 499066520, 998133040]

約数ペア:

[(1, 998133040), (2, 499066520), (4, 249533260), (5, 199626608), (8, 124766630), (10, 99813304), (16, 62383315), (20, 49906652), (31, 32197840), (40, 24953326), (62, 16098920), (80, 12476663), (124, 8049460), (155, 6439568), (248, 4024730), (310, 3219784), (496, 2012365), (620, 1609892), (961, 1038640), (1240, 804946), (1922, 519320), (2480, 402473), (3844, 259660), (4805, 207728), (7688, 129830), (9610, 103864), (12983, 76880), (15376, 64915), (19220, 51932), (25966, 38440)]