1878487890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1\times {\mathrm{1873}}^1$

素因数の和:2315

約数の個数: 64

約数和(自身を含む): 4569201792

約数和(自身を除く): 2690713902

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 101, 202, 303, 331, 505, 606, 662, 993, 1010, 1515, 1655, 1873, 1986, 3030, 3310, 3746, 4965, 5619, 9365, 9930, 11238, 18730, 28095, 33431, 56190, 66862, 100293, 167155, 189173, 200586, 334310, 378346, 501465, 567519, 619963, 945865, 1002930, 1135038, 1239926, 1859889, 1891730, 2837595, 3099815, 3719778, 5675190, 6199630, 9299445, 18598890, 62616263, 125232526, 187848789, 313081315, 375697578, 626162630, 939243945, 1878487890]

約数ペア:

[(1, 1878487890), (2, 939243945), (3, 626162630), (5, 375697578), (6, 313081315), (10, 187848789), (15, 125232526), (30, 62616263), (101, 18598890), (202, 9299445), (303, 6199630), (331, 5675190), (505, 3719778), (606, 3099815), (662, 2837595), (993, 1891730), (1010, 1859889), (1515, 1239926), (1655, 1135038), (1873, 1002930), (1986, 945865), (3030, 619963), (3310, 567519), (3746, 501465), (4965, 378346), (5619, 334310), (9365, 200586), (9930, 189173), (11238, 167155), (18730, 100293), (28095, 66862), (33431, 56190)]