156945700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 391849920

約数和(自身を除く): 234904220

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 43, 50, 68, 76, 85, 86, 95, 100, 113, 170, 172, 190, 215, 226, 323, 340, 380, 425, 430, 452, 475, 565, 646, 731, 817, 850, 860, 950, 1075, 1130, 1292, 1462, 1615, 1634, 1700, 1900, 1921, 2147, 2150, 2260, 2825, 2924, 3230, 3268, 3655, 3842, 4085, 4294, 4300, 4859, 5650, 6460, 7310, 7684, 8075, 8170, 8588, 9605, 9718, 10735, 11300, 13889, 14620, 16150, 16340, 18275, 19210, 19436, 20425, 21470, 24295, 27778, 32300, 36499, 36550, 38420, 40850, 42940, 48025, 48590, 53675, 55556, 69445, 72998, 73100, 81700, 82603, 92321, 96050, 97180, 107350, 121475, 138890, 145996, 165206, 182495, 184642, 192100, 214700, 242950, 277780, 330412, 347225, 364990, 369284, 413015, 461605, 485900, 694450, 729980, 826030, 912475, 923210, 1388900, 1569457, 1652060, 1824950, 1846420, 2065075, 2308025, 3138914, 3649900, 4130150, 4616050, 6277828, 7847285, 8260300, 9232100, 15694570, 31389140, 39236425, 78472850, 156945700]

約数ペア:

[(1, 156945700), (2, 78472850), (4, 39236425), (5, 31389140), (10, 15694570), (17, 9232100), (19, 8260300), (20, 7847285), (25, 6277828), (34, 4616050), (38, 4130150), (43, 3649900), (50, 3138914), (68, 2308025), (76, 2065075), (85, 1846420), (86, 1824950), (95, 1652060), (100, 1569457), (113, 1388900), (170, 923210), (172, 912475), (190, 826030), (215, 729980), (226, 694450), (323, 485900), (340, 461605), (380, 413015), (425, 369284), (430, 364990), (452, 347225), (475, 330412), (565, 277780), (646, 242950), (731, 214700), (817, 192100), (850, 184642), (860, 182495), (950, 165206), (1075, 145996), (1130, 138890), (1292, 121475), (1462, 107350), (1615, 97180), (1634, 96050), (1700, 92321), (1900, 82603), (1921, 81700), (2147, 73100), (2150, 72998), (2260, 69445), (2825, 55556), (2924, 53675), (3230, 48590), (3268, 48025), (3655, 42940), (3842, 40850), (4085, 38420), (4294, 36550), (4300, 36499), (4859, 32300), (5650, 27778), (6460, 24295), (7310, 21470), (7684, 20425), (8075, 19436), (8170, 19210), (8588, 18275), (9605, 16340), (9718, 16150), (10735, 14620), (11300, 13889)]