7789408040

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{383}}^1\times {\mathrm{2939}}^1$

素因数の和:3506

約数の個数: 64

約数和(自身を含む): 17679513600

約数和(自身を除く): 9890105560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 383, 692, 766, 865, 1384, 1532, 1730, 1915, 2939, 3064, 3460, 3830, 5878, 6920, 7660, 11756, 14695, 15320, 23512, 29390, 58780, 66259, 117560, 132518, 265036, 331295, 508447, 530072, 662590, 1016894, 1125637, 1325180, 2033788, 2251274, 2542235, 2650360, 4067576, 4502548, 5084470, 5628185, 9005096, 10168940, 11256370, 20337880, 22512740, 45025480, 194735201, 389470402, 778940804, 973676005, 1557881608, 1947352010, 3894704020, 7789408040]

約数ペア:

[(1, 7789408040), (2, 3894704020), (4, 1947352010), (5, 1557881608), (8, 973676005), (10, 778940804), (20, 389470402), (40, 194735201), (173, 45025480), (346, 22512740), (383, 20337880), (692, 11256370), (766, 10168940), (865, 9005096), (1384, 5628185), (1532, 5084470), (1730, 4502548), (1915, 4067576), (2939, 2650360), (3064, 2542235), (3460, 2251274), (3830, 2033788), (5878, 1325180), (6920, 1125637), (7660, 1016894), (11756, 662590), (14695, 530072), (15320, 508447), (23512, 331295), (29390, 265036), (58780, 132518), (66259, 117560)]