390987320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3407}}^1$

素因数の和:3588

約数の個数: 64

約数和(自身を含む): 932428800

約数和(自身を除く): 541441480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 151, 152, 190, 302, 380, 604, 755, 760, 1208, 1510, 2869, 3020, 3407, 5738, 6040, 6814, 11476, 13628, 14345, 17035, 22952, 27256, 28690, 34070, 57380, 64733, 68140, 114760, 129466, 136280, 258932, 323665, 514457, 517864, 647330, 1028914, 1294660, 2057828, 2572285, 2589320, 4115656, 5144570, 9774683, 10289140, 19549366, 20578280, 39098732, 48873415, 78197464, 97746830, 195493660, 390987320]

約数ペア:

[(1, 390987320), (2, 195493660), (4, 97746830), (5, 78197464), (8, 48873415), (10, 39098732), (19, 20578280), (20, 19549366), (38, 10289140), (40, 9774683), (76, 5144570), (95, 4115656), (151, 2589320), (152, 2572285), (190, 2057828), (302, 1294660), (380, 1028914), (604, 647330), (755, 517864), (760, 514457), (1208, 323665), (1510, 258932), (2869, 136280), (3020, 129466), (3407, 114760), (5738, 68140), (6040, 64733), (6814, 57380), (11476, 34070), (13628, 28690), (14345, 27256), (17035, 22952)]