7397840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 18808320

約数和(自身を除く): 11410480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 157, 190, 248, 304, 310, 314, 380, 496, 589, 620, 628, 760, 785, 1178, 1240, 1256, 1520, 1570, 2356, 2480, 2512, 2945, 2983, 3140, 4712, 4867, 5890, 5966, 6280, 9424, 9734, 11780, 11932, 12560, 14915, 19468, 23560, 23864, 24335, 29830, 38936, 47120, 47728, 48670, 59660, 77872, 92473, 97340, 119320, 184946, 194680, 238640, 369892, 389360, 462365, 739784, 924730, 1479568, 1849460, 3698920, 7397840]

約数ペア:

[(1, 7397840), (2, 3698920), (4, 1849460), (5, 1479568), (8, 924730), (10, 739784), (16, 462365), (19, 389360), (20, 369892), (31, 238640), (38, 194680), (40, 184946), (62, 119320), (76, 97340), (80, 92473), (95, 77872), (124, 59660), (152, 48670), (155, 47728), (157, 47120), (190, 38936), (248, 29830), (304, 24335), (310, 23864), (314, 23560), (380, 19468), (496, 14915), (589, 12560), (620, 11932), (628, 11780), (760, 9734), (785, 9424), (1178, 6280), (1240, 5966), (1256, 5890), (1520, 4867), (1570, 4712), (2356, 3140), (2480, 2983), (2512, 2945)]