2019394870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1381}}^1$

素因数の和:1561

約数の個数: 64

約数和(自身を含む): 3868715520

約数和(自身を除く): 1849320650

約数列:

[1, 2, 5, 10, 31, 53, 62, 89, 106, 155, 178, 265, 310, 445, 530, 890, 1381, 1643, 2759, 2762, 3286, 4717, 5518, 6905, 8215, 9434, 13795, 13810, 16430, 23585, 27590, 42811, 47170, 73193, 85622, 122909, 146227, 146386, 214055, 245818, 292454, 365965, 428110, 614545, 731135, 731930, 1229090, 1462270, 2268983, 3810179, 4537966, 6514177, 7620358, 11344915, 13028354, 19050895, 22689830, 32570885, 38101790, 65141770, 201939487, 403878974, 1009697435, 2019394870]

約数ペア:

[(1, 2019394870), (2, 1009697435), (5, 403878974), (10, 201939487), (31, 65141770), (53, 38101790), (62, 32570885), (89, 22689830), (106, 19050895), (155, 13028354), (178, 11344915), (265, 7620358), (310, 6514177), (445, 4537966), (530, 3810179), (890, 2268983), (1381, 1462270), (1643, 1229090), (2759, 731930), (2762, 731135), (3286, 614545), (4717, 428110), (5518, 365965), (6905, 292454), (8215, 245818), (9434, 214055), (13795, 146386), (13810, 146227), (16430, 122909), (23585, 85622), (27590, 73193), (42811, 47170)]