2121149940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{388489}}^1$

素因数の和:388521

約数の個数: 96

約数和(自身を含む): 7309827840

約数和(自身を除く): 5188677900

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, 5460, 388489, 776978, 1165467, 1553956, 1942445, 2330934, 2719423, 3884890, 4661868, 5050357, 5438846, 5827335, 7769780, 8158269, 10100714, 10877692, 11654670, 13597115, 15151071, 16316538, 20201428, 23309340, 25251785, 27194230, 30302142, 32633076, 35352499, 40791345, 50503570, 54388460, 60604284, 70704998, 75755355, 81582690, 101007140, 106057497, 141409996, 151510710, 163165380, 176762495, 212114994, 303021420, 353524990, 424229988, 530287485, 707049980, 1060574970, 2121149940]

約数ペア:

[(1, 2121149940), (2, 1060574970), (3, 707049980), (4, 530287485), (5, 424229988), (6, 353524990), (7, 303021420), (10, 212114994), (12, 176762495), (13, 163165380), (14, 151510710), (15, 141409996), (20, 106057497), (21, 101007140), (26, 81582690), (28, 75755355), (30, 70704998), (35, 60604284), (39, 54388460), (42, 50503570), (52, 40791345), (60, 35352499), (65, 32633076), (70, 30302142), (78, 27194230), (84, 25251785), (91, 23309340), (105, 20201428), (130, 16316538), (140, 15151071), (156, 13597115), (182, 11654670), (195, 10877692), (210, 10100714), (260, 8158269), (273, 7769780), (364, 5827335), (390, 5438846), (420, 5050357), (455, 4661868), (546, 3884890), (780, 2719423), (910, 2330934), (1092, 1942445), (1365, 1553956), (1820, 1165467), (2730, 776978), (5460, 388489)]