280774312

素因数分解:

$2^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1$

素因数の和:520

約数の個数: 128

約数和(自身を含む): 701568000

約数和(自身を除く): 420793688

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 119, 136, 182, 196, 221, 238, 343, 364, 392, 442, 463, 476, 637, 686, 728, 833, 884, 926, 952, 1274, 1372, 1547, 1666, 1768, 1852, 2548, 2744, 3094, 3241, 3332, 3704, 4459, 5096, 5831, 6019, 6188, 6482, 6664, 7871, 8918, 10829, 11662, 12038, 12376, 12964, 15742, 17836, 21658, 22687, 23324, 24076, 25928, 31484, 35672, 42133, 43316, 45374, 46648, 48152, 55097, 62968, 75803, 84266, 86632, 90748, 102323, 110194, 151606, 158809, 168532, 181496, 204646, 220388, 294931, 303212, 317618, 337064, 385679, 409292, 440776, 589862, 606424, 635236, 716261, 771358, 818584, 1179724, 1270472, 1432522, 1542716, 2064517, 2359448, 2699753, 2865044, 3085432, 4129034, 5013827, 5399506, 5730088, 8258068, 10027654, 10799012, 16516136, 20055308, 21598024, 35096789, 40110616, 70193578, 140387156, 280774312]

約数ペア:

[(1, 280774312), (2, 140387156), (4, 70193578), (7, 40110616), (8, 35096789), (13, 21598024), (14, 20055308), (17, 16516136), (26, 10799012), (28, 10027654), (34, 8258068), (49, 5730088), (52, 5399506), (56, 5013827), (68, 4129034), (91, 3085432), (98, 2865044), (104, 2699753), (119, 2359448), (136, 2064517), (182, 1542716), (196, 1432522), (221, 1270472), (238, 1179724), (343, 818584), (364, 771358), (392, 716261), (442, 635236), (463, 606424), (476, 589862), (637, 440776), (686, 409292), (728, 385679), (833, 337064), (884, 317618), (926, 303212), (952, 294931), (1274, 220388), (1372, 204646), (1547, 181496), (1666, 168532), (1768, 158809), (1852, 151606), (2548, 110194), (2744, 102323), (3094, 90748), (3241, 86632), (3332, 84266), (3704, 75803), (4459, 62968), (5096, 55097), (5831, 48152), (6019, 46648), (6188, 45374), (6482, 43316), (6664, 42133), (7871, 35672), (8918, 31484), (10829, 25928), (11662, 24076), (12038, 23324), (12376, 22687), (12964, 21658), (15742, 17836)]