207361140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 680508864

約数和(自身を除く): 473147724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 251, 281, 294, 420, 490, 502, 562, 588, 735, 753, 843, 980, 1004, 1124, 1255, 1405, 1470, 1506, 1686, 1757, 1967, 2510, 2810, 2940, 3012, 3372, 3514, 3765, 3934, 4215, 5020, 5271, 5620, 5901, 7028, 7530, 7868, 8430, 8785, 9835, 10542, 11802, 12299, 13769, 15060, 16860, 17570, 19670, 21084, 23604, 24598, 26355, 27538, 29505, 35140, 36897, 39340, 41307, 49196, 52710, 55076, 59010, 61495, 68845, 70531, 73794, 82614, 105420, 118020, 122990, 137690, 141062, 147588, 165228, 184485, 206535, 211593, 245980, 275380, 282124, 352655, 368970, 413070, 423186, 493717, 705310, 737940, 826140, 846372, 987434, 1057965, 1410620, 1481151, 1974868, 2115930, 2468585, 2962302, 3456019, 4231860, 4937170, 5924604, 6912038, 7405755, 9874340, 10368057, 13824076, 14811510, 17280095, 20736114, 29623020, 34560190, 41472228, 51840285, 69120380, 103680570, 207361140]

約数ペア:

[(1, 207361140), (2, 103680570), (3, 69120380), (4, 51840285), (5, 41472228), (6, 34560190), (7, 29623020), (10, 20736114), (12, 17280095), (14, 14811510), (15, 13824076), (20, 10368057), (21, 9874340), (28, 7405755), (30, 6912038), (35, 5924604), (42, 4937170), (49, 4231860), (60, 3456019), (70, 2962302), (84, 2468585), (98, 2115930), (105, 1974868), (140, 1481151), (147, 1410620), (196, 1057965), (210, 987434), (245, 846372), (251, 826140), (281, 737940), (294, 705310), (420, 493717), (490, 423186), (502, 413070), (562, 368970), (588, 352655), (735, 282124), (753, 275380), (843, 245980), (980, 211593), (1004, 206535), (1124, 184485), (1255, 165228), (1405, 147588), (1470, 141062), (1506, 137690), (1686, 122990), (1757, 118020), (1967, 105420), (2510, 82614), (2810, 73794), (2940, 70531), (3012, 68845), (3372, 61495), (3514, 59010), (3765, 55076), (3934, 52710), (4215, 49196), (5020, 41307), (5271, 39340), (5620, 36897), (5901, 35140), (7028, 29505), (7530, 27538), (7868, 26355), (8430, 24598), (8785, 23604), (9835, 21084), (10542, 19670), (11802, 17570), (12299, 16860), (13769, 15060)]