231735140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{811}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 603504384

約数和(自身を除く): 371769244

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 157, 182, 260, 314, 364, 455, 628, 785, 811, 910, 1099, 1570, 1622, 1820, 2041, 2198, 3140, 3244, 4055, 4082, 4396, 5495, 5677, 8110, 8164, 10205, 10543, 10990, 11354, 14287, 16220, 20410, 21086, 21980, 22708, 28385, 28574, 40820, 42172, 52715, 56770, 57148, 71435, 73801, 105430, 113540, 127327, 142870, 147602, 210860, 254654, 285740, 295204, 369005, 509308, 636635, 738010, 891289, 1273270, 1476020, 1655251, 1782578, 2546540, 3310502, 3565156, 4456445, 6621004, 8276255, 8912890, 11586757, 16552510, 17825780, 23173514, 33105020, 46347028, 57933785, 115867570, 231735140]

約数ペア:

[(1, 231735140), (2, 115867570), (4, 57933785), (5, 46347028), (7, 33105020), (10, 23173514), (13, 17825780), (14, 16552510), (20, 11586757), (26, 8912890), (28, 8276255), (35, 6621004), (52, 4456445), (65, 3565156), (70, 3310502), (91, 2546540), (130, 1782578), (140, 1655251), (157, 1476020), (182, 1273270), (260, 891289), (314, 738010), (364, 636635), (455, 509308), (628, 369005), (785, 295204), (811, 285740), (910, 254654), (1099, 210860), (1570, 147602), (1622, 142870), (1820, 127327), (2041, 113540), (2198, 105430), (3140, 73801), (3244, 71435), (4055, 57148), (4082, 56770), (4396, 52715), (5495, 42172), (5677, 40820), (8110, 28574), (8164, 28385), (10205, 22708), (10543, 21980), (10990, 21086), (11354, 20410), (14287, 16220)]