2901381760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{146239}}^1$

素因数の和:146289

約数の個数: 64

約数和(自身を含む): 7159910400

約数和(自身を除く): 4258528640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 19840, 146239, 292478, 584956, 731195, 1169912, 1462390, 2339824, 2924780, 4533409, 4679648, 5849560, 9066818, 9359296, 11699120, 18133636, 18718592, 22667045, 23398240, 36267272, 45334090, 46796480, 72534544, 90668180, 93592960, 145069088, 181336360, 290138176, 362672720, 580276352, 725345440, 1450690880, 2901381760]

約数ペア:

[(1, 2901381760), (2, 1450690880), (4, 725345440), (5, 580276352), (8, 362672720), (10, 290138176), (16, 181336360), (20, 145069088), (31, 93592960), (32, 90668180), (40, 72534544), (62, 46796480), (64, 45334090), (80, 36267272), (124, 23398240), (128, 22667045), (155, 18718592), (160, 18133636), (248, 11699120), (310, 9359296), (320, 9066818), (496, 5849560), (620, 4679648), (640, 4533409), (992, 2924780), (1240, 2339824), (1984, 1462390), (2480, 1169912), (3968, 731195), (4960, 584956), (9920, 292478), (19840, 146239)]