28954380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5303}}^1$

素因数の和:5335

約数の個数: 96

約数和(自身を含む): 99800064

約数和(自身を除く): 70845684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5303, 5460, 10606, 15909, 21212, 26515, 31818, 37121, 53030, 63636, 68939, 74242, 79545, 106060, 111363, 137878, 148484, 159090, 185605, 206817, 222726, 275756, 318180, 344695, 371210, 413634, 445452, 482573, 556815, 689390, 742420, 827268, 965146, 1034085, 1113630, 1378780, 1447719, 1930292, 2068170, 2227260, 2412865, 2895438, 4136340, 4825730, 5790876, 7238595, 9651460, 14477190, 28954380]

約数ペア:

[(1, 28954380), (2, 14477190), (3, 9651460), (4, 7238595), (5, 5790876), (6, 4825730), (7, 4136340), (10, 2895438), (12, 2412865), (13, 2227260), (14, 2068170), (15, 1930292), (20, 1447719), (21, 1378780), (26, 1113630), (28, 1034085), (30, 965146), (35, 827268), (39, 742420), (42, 689390), (52, 556815), (60, 482573), (65, 445452), (70, 413634), (78, 371210), (84, 344695), (91, 318180), (105, 275756), (130, 222726), (140, 206817), (156, 185605), (182, 159090), (195, 148484), (210, 137878), (260, 111363), (273, 106060), (364, 79545), (390, 74242), (420, 68939), (455, 63636), (546, 53030), (780, 37121), (910, 31818), (1092, 26515), (1365, 21212), (1820, 15909), (2730, 10606), (5303, 5460)]