2123940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 7338240

約数和(自身を除く): 5214300

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, 389, 390, 420, 455, 546, 778, 780, 910, 1092, 1167, 1365, 1556, 1820, 1945, 2334, 2723, 2730, 3890, 4668, 5057, 5446, 5460, 5835, 7780, 8169, 10114, 10892, 11670, 13615, 15171, 16338, 20228, 23340, 25285, 27230, 30342, 32676, 35399, 40845, 50570, 54460, 60684, 70798, 75855, 81690, 101140, 106197, 141596, 151710, 163380, 176995, 212394, 303420, 353990, 424788, 530985, 707980, 1061970, 2123940]

約数ペア:

[(1, 2123940), (2, 1061970), (3, 707980), (4, 530985), (5, 424788), (6, 353990), (7, 303420), (10, 212394), (12, 176995), (13, 163380), (14, 151710), (15, 141596), (20, 106197), (21, 101140), (26, 81690), (28, 75855), (30, 70798), (35, 60684), (39, 54460), (42, 50570), (52, 40845), (60, 35399), (65, 32676), (70, 30342), (78, 27230), (84, 25285), (91, 23340), (105, 20228), (130, 16338), (140, 15171), (156, 13615), (182, 11670), (195, 10892), (210, 10114), (260, 8169), (273, 7780), (364, 5835), (389, 5460), (390, 5446), (420, 5057), (455, 4668), (546, 3890), (778, 2730), (780, 2723), (910, 2334), (1092, 1945), (1167, 1820), (1365, 1556)]