197195940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1102

約数の個数: 144

約数和(自身を含む): 636133680

約数和(自身を除く): 438937740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 37, 45, 58, 60, 74, 87, 90, 111, 116, 145, 148, 174, 180, 185, 222, 261, 290, 333, 348, 370, 435, 444, 522, 555, 580, 666, 740, 870, 1021, 1044, 1073, 1110, 1305, 1332, 1665, 1740, 2042, 2146, 2220, 2610, 3063, 3219, 3330, 4084, 4292, 5105, 5220, 5365, 6126, 6438, 6660, 9189, 9657, 10210, 10730, 12252, 12876, 15315, 16095, 18378, 19314, 20420, 21460, 29609, 30630, 32190, 36756, 37777, 38628, 45945, 48285, 59218, 61260, 64380, 75554, 88827, 91890, 96570, 113331, 118436, 148045, 151108, 177654, 183780, 188885, 193140, 226662, 266481, 296090, 339993, 355308, 377770, 444135, 453324, 532962, 566655, 592180, 679986, 755540, 888270, 1065924, 1095533, 1133310, 1332405, 1359972, 1699965, 1776540, 2191066, 2266620, 2664810, 3286599, 3399930, 4382132, 5329620, 5477665, 6573198, 6799860, 9859797, 10955330, 13146396, 16432995, 19719594, 21910660, 32865990, 39439188, 49298985, 65731980, 98597970, 197195940]

約数ペア:

[(1, 197195940), (2, 98597970), (3, 65731980), (4, 49298985), (5, 39439188), (6, 32865990), (9, 21910660), (10, 19719594), (12, 16432995), (15, 13146396), (18, 10955330), (20, 9859797), (29, 6799860), (30, 6573198), (36, 5477665), (37, 5329620), (45, 4382132), (58, 3399930), (60, 3286599), (74, 2664810), (87, 2266620), (90, 2191066), (111, 1776540), (116, 1699965), (145, 1359972), (148, 1332405), (174, 1133310), (180, 1095533), (185, 1065924), (222, 888270), (261, 755540), (290, 679986), (333, 592180), (348, 566655), (370, 532962), (435, 453324), (444, 444135), (522, 377770), (555, 355308), (580, 339993), (666, 296090), (740, 266481), (870, 226662), (1021, 193140), (1044, 188885), (1073, 183780), (1110, 177654), (1305, 151108), (1332, 148045), (1665, 118436), (1740, 113331), (2042, 96570), (2146, 91890), (2220, 88827), (2610, 75554), (3063, 64380), (3219, 61260), (3330, 59218), (4084, 48285), (4292, 45945), (5105, 38628), (5220, 37777), (5365, 36756), (6126, 32190), (6438, 30630), (6660, 29609), (9189, 21460), (9657, 20420), (10210, 19314), (10730, 18378), (12252, 16095), (12876, 15315)]