1215422890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{3529}}^1$

素因数の和:3679

約数の個数: 64

約数和(自身を含む): 2488734720

約数和(自身を除く): 1273311830

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 101, 110, 155, 202, 310, 341, 505, 682, 1010, 1111, 1705, 2222, 3131, 3410, 3529, 5555, 6262, 7058, 11110, 15655, 17645, 31310, 34441, 35290, 38819, 68882, 77638, 109399, 172205, 194095, 218798, 344410, 356429, 388190, 546995, 712858, 1093990, 1203389, 1782145, 2406778, 3564290, 3920719, 6016945, 7841438, 11049299, 12033890, 19603595, 22098598, 39207190, 55246495, 110492990, 121542289, 243084578, 607711445, 1215422890]

約数ペア:

[(1, 1215422890), (2, 607711445), (5, 243084578), (10, 121542289), (11, 110492990), (22, 55246495), (31, 39207190), (55, 22098598), (62, 19603595), (101, 12033890), (110, 11049299), (155, 7841438), (202, 6016945), (310, 3920719), (341, 3564290), (505, 2406778), (682, 1782145), (1010, 1203389), (1111, 1093990), (1705, 712858), (2222, 546995), (3131, 388190), (3410, 356429), (3529, 344410), (5555, 218798), (6262, 194095), (7058, 172205), (11110, 109399), (15655, 77638), (17645, 68882), (31310, 38819), (34441, 35290)]