440440008

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 1180638720

約数和(自身を除く): 740198712

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 47, 61, 74, 94, 111, 122, 141, 148, 173, 183, 188, 222, 244, 282, 296, 346, 366, 376, 444, 488, 519, 564, 692, 732, 888, 1038, 1128, 1384, 1464, 1739, 2076, 2257, 2867, 3478, 4152, 4514, 5217, 5734, 6401, 6771, 6956, 8131, 8601, 9028, 10434, 10553, 11468, 12802, 13542, 13912, 16262, 17202, 18056, 19203, 20868, 21106, 22936, 24393, 25604, 27084, 31659, 32524, 34404, 38406, 41736, 42212, 48786, 51208, 54168, 63318, 65048, 68808, 76812, 84424, 97572, 106079, 126636, 153624, 195144, 212158, 253272, 300847, 318237, 390461, 424316, 495991, 601694, 636474, 780922, 848632, 902541, 991982, 1171383, 1203388, 1272948, 1487973, 1561844, 1805082, 1983964, 2342766, 2406776, 2545896, 2975946, 3123688, 3610164, 3967928, 4685532, 5951892, 7220328, 9371064, 11903784, 18351667, 36703334, 55055001, 73406668, 110110002, 146813336, 220220004, 440440008]

約数ペア:

[(1, 440440008), (2, 220220004), (3, 146813336), (4, 110110002), (6, 73406668), (8, 55055001), (12, 36703334), (24, 18351667), (37, 11903784), (47, 9371064), (61, 7220328), (74, 5951892), (94, 4685532), (111, 3967928), (122, 3610164), (141, 3123688), (148, 2975946), (173, 2545896), (183, 2406776), (188, 2342766), (222, 1983964), (244, 1805082), (282, 1561844), (296, 1487973), (346, 1272948), (366, 1203388), (376, 1171383), (444, 991982), (488, 902541), (519, 848632), (564, 780922), (692, 636474), (732, 601694), (888, 495991), (1038, 424316), (1128, 390461), (1384, 318237), (1464, 300847), (1739, 253272), (2076, 212158), (2257, 195144), (2867, 153624), (3478, 126636), (4152, 106079), (4514, 97572), (5217, 84424), (5734, 76812), (6401, 68808), (6771, 65048), (6956, 63318), (8131, 54168), (8601, 51208), (9028, 48786), (10434, 42212), (10553, 41736), (11468, 38406), (12802, 34404), (13542, 32524), (13912, 31659), (16262, 27084), (17202, 25604), (18056, 24393), (19203, 22936), (20868, 21106)]