251340984

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 700736400

約数和(自身を除く): 449395416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 89, 122, 178, 183, 244, 267, 356, 366, 488, 534, 549, 643, 712, 732, 801, 1068, 1098, 1286, 1464, 1602, 1929, 2136, 2196, 2572, 3204, 3858, 4392, 5144, 5429, 5787, 6408, 7716, 10858, 11574, 15432, 16287, 21716, 23148, 32574, 39223, 43432, 46296, 48861, 57227, 65148, 78446, 97722, 114454, 117669, 130296, 156892, 171681, 195444, 228908, 235338, 313784, 343362, 353007, 390888, 457816, 470676, 515043, 686724, 706014, 941352, 1030086, 1373448, 1412028, 2060172, 2824056, 3490847, 4120344, 6981694, 10472541, 13963388, 20945082, 27926776, 31417623, 41890164, 62835246, 83780328, 125670492, 251340984]

約数ペア:

[(1, 251340984), (2, 125670492), (3, 83780328), (4, 62835246), (6, 41890164), (8, 31417623), (9, 27926776), (12, 20945082), (18, 13963388), (24, 10472541), (36, 6981694), (61, 4120344), (72, 3490847), (89, 2824056), (122, 2060172), (178, 1412028), (183, 1373448), (244, 1030086), (267, 941352), (356, 706014), (366, 686724), (488, 515043), (534, 470676), (549, 457816), (643, 390888), (712, 353007), (732, 343362), (801, 313784), (1068, 235338), (1098, 228908), (1286, 195444), (1464, 171681), (1602, 156892), (1929, 130296), (2136, 117669), (2196, 114454), (2572, 97722), (3204, 78446), (3858, 65148), (4392, 57227), (5144, 48861), (5429, 46296), (5787, 43432), (6408, 39223), (7716, 32574), (10858, 23148), (11574, 21716), (15432, 16287)]