78899890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{1187}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 157557312

約数和(自身を除く): 78657422

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 289, 391, 578, 782, 1187, 1445, 1955, 2374, 2890, 3910, 5935, 6647, 11870, 13294, 20179, 27301, 33235, 40358, 54602, 66470, 100895, 136505, 201790, 273010, 343043, 464117, 686086, 928234, 1715215, 2320585, 3430430, 4641170, 7889989, 15779978, 39449945, 78899890]

約数ペア:

[(1, 78899890), (2, 39449945), (5, 15779978), (10, 7889989), (17, 4641170), (23, 3430430), (34, 2320585), (46, 1715215), (85, 928234), (115, 686086), (170, 464117), (230, 343043), (289, 273010), (391, 201790), (578, 136505), (782, 100895), (1187, 66470), (1445, 54602), (1955, 40358), (2374, 33235), (2890, 27301), (3910, 20179), (5935, 13294), (6647, 11870)]