149955980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 355622400

約数和(自身を除く): 205666420

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 139, 167, 170, 190, 278, 323, 334, 340, 380, 556, 646, 668, 695, 835, 1292, 1390, 1615, 1670, 2363, 2641, 2780, 2839, 3173, 3230, 3340, 4726, 5282, 5678, 6346, 6460, 9452, 10564, 11356, 11815, 12692, 13205, 14195, 15865, 23213, 23630, 26410, 28390, 31730, 44897, 46426, 47260, 52820, 53941, 56780, 63460, 89794, 92852, 107882, 116065, 179588, 215764, 224485, 232130, 269705, 394621, 441047, 448970, 464260, 539410, 789242, 882094, 897940, 1078820, 1578484, 1764188, 1973105, 2205235, 3946210, 4410470, 7497799, 7892420, 8820940, 14995598, 29991196, 37488995, 74977990, 149955980]

約数ペア:

[(1, 149955980), (2, 74977990), (4, 37488995), (5, 29991196), (10, 14995598), (17, 8820940), (19, 7892420), (20, 7497799), (34, 4410470), (38, 3946210), (68, 2205235), (76, 1973105), (85, 1764188), (95, 1578484), (139, 1078820), (167, 897940), (170, 882094), (190, 789242), (278, 539410), (323, 464260), (334, 448970), (340, 441047), (380, 394621), (556, 269705), (646, 232130), (668, 224485), (695, 215764), (835, 179588), (1292, 116065), (1390, 107882), (1615, 92852), (1670, 89794), (2363, 63460), (2641, 56780), (2780, 53941), (2839, 52820), (3173, 47260), (3230, 46426), (3340, 44897), (4726, 31730), (5282, 28390), (5678, 26410), (6346, 23630), (6460, 23213), (9452, 15865), (10564, 14195), (11356, 13205), (11815, 12692)]