278330430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:998

約数の個数: 128

約数和(自身を含む): 814694400

約数和(自身を除く): 536363970

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 79, 95, 105, 114, 133, 158, 190, 210, 237, 266, 285, 395, 399, 474, 553, 570, 665, 790, 798, 883, 1106, 1185, 1330, 1501, 1659, 1766, 1995, 2370, 2649, 2765, 3002, 3318, 3990, 4415, 4503, 5298, 5530, 6181, 7505, 8295, 8830, 9006, 10507, 12362, 13245, 15010, 16590, 16777, 18543, 21014, 22515, 26490, 30905, 31521, 33554, 37086, 45030, 50331, 52535, 61810, 63042, 69757, 83885, 92715, 100662, 105070, 117439, 139514, 157605, 167770, 185430, 209271, 234878, 251655, 315210, 348785, 352317, 418542, 488299, 503310, 587195, 697570, 704634, 976598, 1046355, 1174390, 1325383, 1464897, 1761585, 2092710, 2441495, 2650766, 2929794, 3523170, 3976149, 4882990, 6626915, 7324485, 7952298, 9277681, 13253830, 14648970, 18555362, 19880745, 27833043, 39761490, 46388405, 55666086, 92776810, 139165215, 278330430]

約数ペア:

[(1, 278330430), (2, 139165215), (3, 92776810), (5, 55666086), (6, 46388405), (7, 39761490), (10, 27833043), (14, 19880745), (15, 18555362), (19, 14648970), (21, 13253830), (30, 9277681), (35, 7952298), (38, 7324485), (42, 6626915), (57, 4882990), (70, 3976149), (79, 3523170), (95, 2929794), (105, 2650766), (114, 2441495), (133, 2092710), (158, 1761585), (190, 1464897), (210, 1325383), (237, 1174390), (266, 1046355), (285, 976598), (395, 704634), (399, 697570), (474, 587195), (553, 503310), (570, 488299), (665, 418542), (790, 352317), (798, 348785), (883, 315210), (1106, 251655), (1185, 234878), (1330, 209271), (1501, 185430), (1659, 167770), (1766, 157605), (1995, 139514), (2370, 117439), (2649, 105070), (2765, 100662), (3002, 92715), (3318, 83885), (3990, 69757), (4415, 63042), (4503, 61810), (5298, 52535), (5530, 50331), (6181, 45030), (7505, 37086), (8295, 33554), (8830, 31521), (9006, 30905), (10507, 26490), (12362, 22515), (13245, 21014), (15010, 18543), (16590, 16777)]