3989353240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1121

約数の個数: 96

約数和(自身を含む): 9510125760

約数和(自身を除く): 5520772520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 431, 641, 722, 760, 862, 1282, 1444, 1724, 1805, 2155, 2564, 2888, 3205, 3448, 3610, 4310, 5128, 6410, 7220, 8189, 8620, 12179, 12820, 14440, 16378, 17240, 24358, 25640, 32756, 40945, 48716, 60895, 65512, 81890, 97432, 121790, 155591, 163780, 231401, 243580, 276271, 311182, 327560, 462802, 487160, 552542, 622364, 777955, 925604, 1105084, 1157005, 1244728, 1381355, 1555910, 1851208, 2210168, 2314010, 2762710, 3111820, 4628020, 5249149, 5525420, 6223640, 9256040, 10498298, 11050840, 20996596, 26245745, 41993192, 52491490, 99733831, 104982980, 199467662, 209965960, 398935324, 498669155, 797870648, 997338310, 1994676620, 3989353240]

約数ペア:

[(1, 3989353240), (2, 1994676620), (4, 997338310), (5, 797870648), (8, 498669155), (10, 398935324), (19, 209965960), (20, 199467662), (38, 104982980), (40, 99733831), (76, 52491490), (95, 41993192), (152, 26245745), (190, 20996596), (361, 11050840), (380, 10498298), (431, 9256040), (641, 6223640), (722, 5525420), (760, 5249149), (862, 4628020), (1282, 3111820), (1444, 2762710), (1724, 2314010), (1805, 2210168), (2155, 1851208), (2564, 1555910), (2888, 1381355), (3205, 1244728), (3448, 1157005), (3610, 1105084), (4310, 925604), (5128, 777955), (6410, 622364), (7220, 552542), (8189, 487160), (8620, 462802), (12179, 327560), (12820, 311182), (14440, 276271), (16378, 243580), (17240, 231401), (24358, 163780), (25640, 155591), (32756, 121790), (40945, 97432), (48716, 81890), (60895, 65512)]