445758040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{811}}^1$

素因数の和:993

約数の個数: 128

約数和(自身を含む): 1244113920

約数和(自身を除く): 798355880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 151, 182, 260, 280, 302, 364, 455, 520, 604, 728, 755, 811, 910, 1057, 1208, 1510, 1622, 1820, 1963, 2114, 3020, 3244, 3640, 3926, 4055, 4228, 5285, 5677, 6040, 6488, 7852, 8110, 8456, 9815, 10543, 10570, 11354, 13741, 15704, 16220, 19630, 21086, 21140, 22708, 27482, 28385, 32440, 39260, 42172, 42280, 45416, 52715, 54964, 56770, 68705, 73801, 78520, 84344, 105430, 109928, 113540, 122461, 137410, 147602, 210860, 227080, 244922, 274820, 295204, 369005, 421720, 489844, 549640, 590408, 612305, 738010, 857227, 979688, 1224610, 1476020, 1591993, 1714454, 2449220, 2952040, 3183986, 3428908, 4286135, 4898440, 6367972, 6857816, 7959965, 8572270, 11143951, 12735944, 15919930, 17144540, 22287902, 31839860, 34289080, 44575804, 55719755, 63679720, 89151608, 111439510, 222879020, 445758040]

約数ペア:

[(1, 445758040), (2, 222879020), (4, 111439510), (5, 89151608), (7, 63679720), (8, 55719755), (10, 44575804), (13, 34289080), (14, 31839860), (20, 22287902), (26, 17144540), (28, 15919930), (35, 12735944), (40, 11143951), (52, 8572270), (56, 7959965), (65, 6857816), (70, 6367972), (91, 4898440), (104, 4286135), (130, 3428908), (140, 3183986), (151, 2952040), (182, 2449220), (260, 1714454), (280, 1591993), (302, 1476020), (364, 1224610), (455, 979688), (520, 857227), (604, 738010), (728, 612305), (755, 590408), (811, 549640), (910, 489844), (1057, 421720), (1208, 369005), (1510, 295204), (1622, 274820), (1820, 244922), (1963, 227080), (2114, 210860), (3020, 147602), (3244, 137410), (3640, 122461), (3926, 113540), (4055, 109928), (4228, 105430), (5285, 84344), (5677, 78520), (6040, 73801), (6488, 68705), (7852, 56770), (8110, 54964), (8456, 52715), (9815, 45416), (10543, 42280), (10570, 42172), (11354, 39260), (13741, 32440), (15704, 28385), (16220, 27482), (19630, 22708), (21086, 21140)]