397715540

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{5507}}^1$

素因数の和:5696

約数の個数: 48

約数和(自身を含む): 877226112

約数和(自身を除く): 479510572

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 157, 230, 314, 460, 628, 785, 1570, 3140, 3611, 5507, 7222, 11014, 14444, 18055, 22028, 27535, 36110, 55070, 72220, 110140, 126661, 253322, 506644, 633305, 864599, 1266610, 1729198, 2533220, 3458396, 4322995, 8645990, 17291980, 19885777, 39771554, 79543108, 99428885, 198857770, 397715540]

約数ペア:

[(1, 397715540), (2, 198857770), (4, 99428885), (5, 79543108), (10, 39771554), (20, 19885777), (23, 17291980), (46, 8645990), (92, 4322995), (115, 3458396), (157, 2533220), (230, 1729198), (314, 1266610), (460, 864599), (628, 633305), (785, 506644), (1570, 253322), (3140, 126661), (3611, 110140), (5507, 72220), (7222, 55070), (11014, 36110), (14444, 27535), (18055, 22028)]