199659720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{977}}^1$

素因数の和:1135

約数の個数: 128

約数和(自身を含む): 650643840

約数和(自身を除く): 450984120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 131, 156, 195, 260, 262, 312, 390, 393, 520, 524, 655, 780, 786, 977, 1048, 1310, 1560, 1572, 1703, 1954, 1965, 2620, 2931, 3144, 3406, 3908, 3930, 4885, 5109, 5240, 5862, 6812, 7816, 7860, 8515, 9770, 10218, 11724, 12701, 13624, 14655, 15720, 17030, 19540, 20436, 23448, 25402, 25545, 29310, 34060, 38103, 39080, 40872, 50804, 51090, 58620, 63505, 68120, 76206, 101608, 102180, 117240, 127010, 127987, 152412, 190515, 204360, 254020, 255974, 304824, 381030, 383961, 508040, 511948, 639935, 762060, 767922, 1023896, 1279870, 1524120, 1535844, 1663831, 1919805, 2559740, 3071688, 3327662, 3839610, 4991493, 5119480, 6655324, 7679220, 8319155, 9982986, 13310648, 15358440, 16638310, 19965972, 24957465, 33276620, 39931944, 49914930, 66553240, 99829860, 199659720]

約数ペア:

[(1, 199659720), (2, 99829860), (3, 66553240), (4, 49914930), (5, 39931944), (6, 33276620), (8, 24957465), (10, 19965972), (12, 16638310), (13, 15358440), (15, 13310648), (20, 9982986), (24, 8319155), (26, 7679220), (30, 6655324), (39, 5119480), (40, 4991493), (52, 3839610), (60, 3327662), (65, 3071688), (78, 2559740), (104, 1919805), (120, 1663831), (130, 1535844), (131, 1524120), (156, 1279870), (195, 1023896), (260, 767922), (262, 762060), (312, 639935), (390, 511948), (393, 508040), (520, 383961), (524, 381030), (655, 304824), (780, 255974), (786, 254020), (977, 204360), (1048, 190515), (1310, 152412), (1560, 127987), (1572, 127010), (1703, 117240), (1954, 102180), (1965, 101608), (2620, 76206), (2931, 68120), (3144, 63505), (3406, 58620), (3908, 51090), (3930, 50804), (4885, 40872), (5109, 39080), (5240, 38103), (5862, 34060), (6812, 29310), (7816, 25545), (7860, 25402), (8515, 23448), (9770, 20436), (10218, 19540), (11724, 17030), (12701, 15720), (13624, 14655)]