388487820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{3517}}^1$

素因数の和:3799

約数の個数: 96

約数和(自身を含む): 1248242688

約数和(自身を除く): 859754868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 263, 420, 526, 789, 1052, 1315, 1578, 1841, 2630, 3156, 3517, 3682, 3945, 5260, 5523, 7034, 7364, 7890, 9205, 10551, 11046, 14068, 15780, 17585, 18410, 21102, 22092, 24619, 27615, 35170, 36820, 42204, 49238, 52755, 55230, 70340, 73857, 98476, 105510, 110460, 123095, 147714, 211020, 246190, 295428, 369285, 492380, 738570, 924971, 1477140, 1849942, 2774913, 3699884, 4624855, 5549826, 6474797, 9249710, 11099652, 12949594, 13874565, 18499420, 19424391, 25899188, 27749130, 32373985, 38848782, 55498260, 64747970, 77697564, 97121955, 129495940, 194243910, 388487820]

約数ペア:

[(1, 388487820), (2, 194243910), (3, 129495940), (4, 97121955), (5, 77697564), (6, 64747970), (7, 55498260), (10, 38848782), (12, 32373985), (14, 27749130), (15, 25899188), (20, 19424391), (21, 18499420), (28, 13874565), (30, 12949594), (35, 11099652), (42, 9249710), (60, 6474797), (70, 5549826), (84, 4624855), (105, 3699884), (140, 2774913), (210, 1849942), (263, 1477140), (420, 924971), (526, 738570), (789, 492380), (1052, 369285), (1315, 295428), (1578, 246190), (1841, 211020), (2630, 147714), (3156, 123095), (3517, 110460), (3682, 105510), (3945, 98476), (5260, 73857), (5523, 70340), (7034, 55230), (7364, 52755), (7890, 49238), (9205, 42204), (10551, 36820), (11046, 35170), (14068, 27615), (15780, 24619), (17585, 22092), (18410, 21102)]