28850010

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 84049920

約数和(自身を除く): 55199910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 47, 70, 74, 79, 94, 105, 111, 141, 158, 185, 210, 222, 235, 237, 259, 282, 329, 370, 395, 470, 474, 518, 553, 555, 658, 705, 777, 790, 987, 1106, 1110, 1185, 1295, 1410, 1554, 1645, 1659, 1739, 1974, 2370, 2590, 2765, 2923, 3290, 3318, 3478, 3713, 3885, 4935, 5217, 5530, 5846, 7426, 7770, 8295, 8695, 8769, 9870, 10434, 11139, 12173, 14615, 16590, 17390, 17538, 18565, 20461, 22278, 24346, 25991, 26085, 29230, 36519, 37130, 40922, 43845, 51982, 52170, 55695, 60865, 61383, 73038, 77973, 87690, 102305, 111390, 121730, 122766, 129955, 137381, 155946, 182595, 204610, 259910, 274762, 306915, 365190, 389865, 412143, 613830, 686905, 779730, 824286, 961667, 1373810, 1923334, 2060715, 2885001, 4121430, 4808335, 5770002, 9616670, 14425005, 28850010]

約数ペア:

[(1, 28850010), (2, 14425005), (3, 9616670), (5, 5770002), (6, 4808335), (7, 4121430), (10, 2885001), (14, 2060715), (15, 1923334), (21, 1373810), (30, 961667), (35, 824286), (37, 779730), (42, 686905), (47, 613830), (70, 412143), (74, 389865), (79, 365190), (94, 306915), (105, 274762), (111, 259910), (141, 204610), (158, 182595), (185, 155946), (210, 137381), (222, 129955), (235, 122766), (237, 121730), (259, 111390), (282, 102305), (329, 87690), (370, 77973), (395, 73038), (470, 61383), (474, 60865), (518, 55695), (553, 52170), (555, 51982), (658, 43845), (705, 40922), (777, 37130), (790, 36519), (987, 29230), (1106, 26085), (1110, 25991), (1185, 24346), (1295, 22278), (1410, 20461), (1554, 18565), (1645, 17538), (1659, 17390), (1739, 16590), (1974, 14615), (2370, 12173), (2590, 11139), (2765, 10434), (2923, 9870), (3290, 8769), (3318, 8695), (3478, 8295), (3713, 7770), (3885, 7426), (4935, 5846), (5217, 5530)]