1285201100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{607}}^1\times {\mathrm{683}}^1$

素因数の和:1335

約数の個数: 72

約数和(自身を含む): 2887815168

約数和(自身を除く): 1602614068

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 607, 620, 683, 775, 1214, 1366, 1550, 2428, 2732, 3035, 3100, 3415, 6070, 6830, 12140, 13660, 15175, 17075, 18817, 21173, 30350, 34150, 37634, 42346, 60700, 68300, 75268, 84692, 94085, 105865, 188170, 211730, 376340, 414581, 423460, 470425, 529325, 829162, 940850, 1058650, 1658324, 1881700, 2072905, 2117300, 4145810, 8291620, 10364525, 12852011, 20729050, 25704022, 41458100, 51408044, 64260055, 128520110, 257040220, 321300275, 642600550, 1285201100]

約数ペア:

[(1, 1285201100), (2, 642600550), (4, 321300275), (5, 257040220), (10, 128520110), (20, 64260055), (25, 51408044), (31, 41458100), (50, 25704022), (62, 20729050), (100, 12852011), (124, 10364525), (155, 8291620), (310, 4145810), (607, 2117300), (620, 2072905), (683, 1881700), (775, 1658324), (1214, 1058650), (1366, 940850), (1550, 829162), (2428, 529325), (2732, 470425), (3035, 423460), (3100, 414581), (3415, 376340), (6070, 211730), (6830, 188170), (12140, 105865), (13660, 94085), (15175, 84692), (17075, 75268), (18817, 68300), (21173, 60700), (30350, 42346), (34150, 37634)]