156428900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 393724800

約数和(自身を除く): 237295900

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 29, 34, 38, 50, 58, 68, 76, 85, 95, 100, 116, 145, 167, 170, 190, 290, 323, 334, 340, 380, 425, 475, 493, 551, 580, 646, 668, 725, 835, 850, 950, 986, 1102, 1292, 1450, 1615, 1670, 1700, 1900, 1972, 2204, 2465, 2755, 2839, 2900, 3173, 3230, 3340, 4175, 4843, 4930, 5510, 5678, 6346, 6460, 8075, 8350, 9367, 9686, 9860, 11020, 11356, 12325, 12692, 13775, 14195, 15865, 16150, 16700, 18734, 19372, 24215, 24650, 27550, 28390, 31730, 32300, 37468, 46835, 48430, 49300, 53941, 55100, 56780, 63460, 70975, 79325, 82331, 92017, 93670, 96860, 107882, 121075, 141950, 158650, 164662, 184034, 187340, 215764, 234175, 242150, 269705, 283900, 317300, 329324, 368068, 411655, 460085, 468350, 484300, 539410, 823310, 920170, 936700, 1078820, 1348525, 1564289, 1646620, 1840340, 2058275, 2300425, 2697050, 3128578, 4116550, 4600850, 5394100, 6257156, 7821445, 8233100, 9201700, 15642890, 31285780, 39107225, 78214450, 156428900]

約数ペア:

[(1, 156428900), (2, 78214450), (4, 39107225), (5, 31285780), (10, 15642890), (17, 9201700), (19, 8233100), (20, 7821445), (25, 6257156), (29, 5394100), (34, 4600850), (38, 4116550), (50, 3128578), (58, 2697050), (68, 2300425), (76, 2058275), (85, 1840340), (95, 1646620), (100, 1564289), (116, 1348525), (145, 1078820), (167, 936700), (170, 920170), (190, 823310), (290, 539410), (323, 484300), (334, 468350), (340, 460085), (380, 411655), (425, 368068), (475, 329324), (493, 317300), (551, 283900), (580, 269705), (646, 242150), (668, 234175), (725, 215764), (835, 187340), (850, 184034), (950, 164662), (986, 158650), (1102, 141950), (1292, 121075), (1450, 107882), (1615, 96860), (1670, 93670), (1700, 92017), (1900, 82331), (1972, 79325), (2204, 70975), (2465, 63460), (2755, 56780), (2839, 55100), (2900, 53941), (3173, 49300), (3230, 48430), (3340, 46835), (4175, 37468), (4843, 32300), (4930, 31730), (5510, 28390), (5678, 27550), (6346, 24650), (6460, 24215), (8075, 19372), (8350, 18734), (9367, 16700), (9686, 16150), (9860, 15865), (11020, 14195), (11356, 13775), (12325, 12692)]