2498340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3203}}^1$

素因数の和:3228

約数の個数: 48

約数和(自身を含む): 7535808

約数和(自身を除く): 5037468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 3203, 6406, 9609, 12812, 16015, 19218, 32030, 38436, 41639, 48045, 64060, 83278, 96090, 124917, 166556, 192180, 208195, 249834, 416390, 499668, 624585, 832780, 1249170, 2498340]

約数ペア:

[(1, 2498340), (2, 1249170), (3, 832780), (4, 624585), (5, 499668), (6, 416390), (10, 249834), (12, 208195), (13, 192180), (15, 166556), (20, 124917), (26, 96090), (30, 83278), (39, 64060), (52, 48045), (60, 41639), (65, 38436), (78, 32030), (130, 19218), (156, 16015), (195, 12812), (260, 9609), (390, 6406), (780, 3203)]