248021340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2909}}^1$

素因数の和:2964

約数の個数: 144

約数和(自身を含む): 835984800

約数和(自身を除く): 587963460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 735, 812, 870, 980, 1015, 1218, 1421, 1470, 1740, 2030, 2436, 2842, 2909, 2940, 3045, 4060, 4263, 5684, 5818, 6090, 7105, 8526, 8727, 11636, 12180, 14210, 14545, 17052, 17454, 20363, 21315, 28420, 29090, 34908, 40726, 42630, 43635, 58180, 61089, 81452, 84361, 85260, 87270, 101815, 122178, 142541, 168722, 174540, 203630, 244356, 253083, 285082, 305445, 337444, 407260, 421805, 427623, 506166, 570164, 590527, 610890, 712705, 843610, 855246, 1012332, 1181054, 1221780, 1265415, 1425410, 1687220, 1710492, 1771581, 2138115, 2362108, 2530830, 2850820, 2952635, 3543162, 4133689, 4276230, 5061660, 5905270, 7086324, 8267378, 8552460, 8857905, 11810540, 12401067, 16534756, 17715810, 20668445, 24802134, 35431620, 41336890, 49604268, 62005335, 82673780, 124010670, 248021340]

約数ペア:

[(1, 248021340), (2, 124010670), (3, 82673780), (4, 62005335), (5, 49604268), (6, 41336890), (7, 35431620), (10, 24802134), (12, 20668445), (14, 17715810), (15, 16534756), (20, 12401067), (21, 11810540), (28, 8857905), (29, 8552460), (30, 8267378), (35, 7086324), (42, 5905270), (49, 5061660), (58, 4276230), (60, 4133689), (70, 3543162), (84, 2952635), (87, 2850820), (98, 2530830), (105, 2362108), (116, 2138115), (140, 1771581), (145, 1710492), (147, 1687220), (174, 1425410), (196, 1265415), (203, 1221780), (210, 1181054), (245, 1012332), (290, 855246), (294, 843610), (348, 712705), (406, 610890), (420, 590527), (435, 570164), (490, 506166), (580, 427623), (588, 421805), (609, 407260), (735, 337444), (812, 305445), (870, 285082), (980, 253083), (1015, 244356), (1218, 203630), (1421, 174540), (1470, 168722), (1740, 142541), (2030, 122178), (2436, 101815), (2842, 87270), (2909, 85260), (2940, 84361), (3045, 81452), (4060, 61089), (4263, 58180), (5684, 43635), (5818, 42630), (6090, 40726), (7105, 34908), (8526, 29090), (8727, 28420), (11636, 21315), (12180, 20363), (14210, 17454), (14545, 17052)]