208047320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{1153}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 506005920

約数和(自身を除く): 297958600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 347, 520, 694, 1153, 1388, 1735, 2306, 2776, 3470, 4511, 4612, 5765, 6940, 9022, 9224, 11530, 13880, 14989, 18044, 22555, 23060, 29978, 36088, 45110, 46120, 59956, 74945, 90220, 119912, 149890, 180440, 299780, 400091, 599560, 800182, 1600364, 2000455, 3200728, 4000910, 5201183, 8001820, 10402366, 16003640, 20804732, 26005915, 41609464, 52011830, 104023660, 208047320]

約数ペア:

[(1, 208047320), (2, 104023660), (4, 52011830), (5, 41609464), (8, 26005915), (10, 20804732), (13, 16003640), (20, 10402366), (26, 8001820), (40, 5201183), (52, 4000910), (65, 3200728), (104, 2000455), (130, 1600364), (260, 800182), (347, 599560), (520, 400091), (694, 299780), (1153, 180440), (1388, 149890), (1735, 119912), (2306, 90220), (2776, 74945), (3470, 59956), (4511, 46120), (4612, 45110), (5765, 36088), (6940, 29978), (9022, 23060), (9224, 22555), (11530, 18044), (13880, 14989)]