399535920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{79273}}^1$

素因数の和:79299

約数の個数: 120

約数和(自身を含む): 1533476256

約数和(自身を除く): 1133940336

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 79273, 158546, 237819, 317092, 396365, 475638, 554911, 634184, 713457, 792730, 951276, 1109822, 1189095, 1268368, 1426914, 1585460, 1664733, 1902552, 2219644, 2378190, 2774555, 2853828, 3170920, 3329466, 3567285, 3805104, 4439288, 4756380, 4994199, 5549110, 5707656, 6341840, 6658932, 7134570, 8323665, 8878576, 9512760, 9988398, 11098220, 11415312, 13317864, 14269140, 16647330, 19025520, 19976796, 22196440, 24970995, 26635728, 28538280, 33294660, 39953592, 44392880, 49941990, 57076560, 66589320, 79907184, 99883980, 133178640, 199767960, 399535920]

約数ペア:

[(1, 399535920), (2, 199767960), (3, 133178640), (4, 99883980), (5, 79907184), (6, 66589320), (7, 57076560), (8, 49941990), (9, 44392880), (10, 39953592), (12, 33294660), (14, 28538280), (15, 26635728), (16, 24970995), (18, 22196440), (20, 19976796), (21, 19025520), (24, 16647330), (28, 14269140), (30, 13317864), (35, 11415312), (36, 11098220), (40, 9988398), (42, 9512760), (45, 8878576), (48, 8323665), (56, 7134570), (60, 6658932), (63, 6341840), (70, 5707656), (72, 5549110), (80, 4994199), (84, 4756380), (90, 4439288), (105, 3805104), (112, 3567285), (120, 3329466), (126, 3170920), (140, 2853828), (144, 2774555), (168, 2378190), (180, 2219644), (210, 1902552), (240, 1664733), (252, 1585460), (280, 1426914), (315, 1268368), (336, 1189095), (360, 1109822), (420, 951276), (504, 792730), (560, 713457), (630, 634184), (720, 554911), (840, 475638), (1008, 396365), (1260, 317092), (1680, 237819), (2520, 158546), (5040, 79273)]