18103354750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{461}}^1$

素因数の和:815

約数の個数: 128

約数和(自身を含む): 37559313792

約数和(自身を除く): 19455959042

約数列:

[1, 2, 5, 10, 13, 25, 26, 43, 50, 65, 86, 125, 130, 215, 250, 281, 325, 430, 461, 559, 562, 650, 922, 1075, 1118, 1405, 1625, 2150, 2305, 2795, 2810, 3250, 3653, 4610, 5375, 5590, 5993, 7025, 7306, 10750, 11525, 11986, 12083, 13975, 14050, 18265, 19823, 23050, 24166, 27950, 29965, 35125, 36530, 39646, 57625, 59930, 60415, 69875, 70250, 91325, 99115, 115250, 120830, 129541, 139750, 149825, 157079, 182650, 198230, 257699, 259082, 299650, 302075, 314158, 456625, 495575, 515398, 604150, 647705, 749125, 785395, 913250, 991150, 1288495, 1295410, 1498250, 1510375, 1570790, 1684033, 2477875, 2576990, 3020750, 3238525, 3368066, 3926975, 4955750, 5570263, 6442475, 6477050, 7853950, 8420165, 11140526, 12884950, 16192625, 16840330, 19634875, 27851315, 32212375, 32385250, 39269750, 42100825, 55702630, 64424750, 72413419, 84201650, 139256575, 144826838, 210504125, 278513150, 362067095, 421008250, 696282875, 724134190, 1392565750, 1810335475, 3620670950, 9051677375, 18103354750]

約数ペア:

[(1, 18103354750), (2, 9051677375), (5, 3620670950), (10, 1810335475), (13, 1392565750), (25, 724134190), (26, 696282875), (43, 421008250), (50, 362067095), (65, 278513150), (86, 210504125), (125, 144826838), (130, 139256575), (215, 84201650), (250, 72413419), (281, 64424750), (325, 55702630), (430, 42100825), (461, 39269750), (559, 32385250), (562, 32212375), (650, 27851315), (922, 19634875), (1075, 16840330), (1118, 16192625), (1405, 12884950), (1625, 11140526), (2150, 8420165), (2305, 7853950), (2795, 6477050), (2810, 6442475), (3250, 5570263), (3653, 4955750), (4610, 3926975), (5375, 3368066), (5590, 3238525), (5993, 3020750), (7025, 2576990), (7306, 2477875), (10750, 1684033), (11525, 1570790), (11986, 1510375), (12083, 1498250), (13975, 1295410), (14050, 1288495), (18265, 991150), (19823, 913250), (23050, 785395), (24166, 749125), (27950, 647705), (29965, 604150), (35125, 515398), (36530, 495575), (39646, 456625), (57625, 314158), (59930, 302075), (60415, 299650), (69875, 259082), (70250, 257699), (91325, 198230), (99115, 182650), (115250, 157079), (120830, 149825), (129541, 139750)]