1223451900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{123581}}^1$

素因数の和:123612

約数の個数: 108

約数和(自身を含む): 4183497864

約数和(自身を除く): 2960045964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 132, 150, 165, 180, 198, 220, 225, 275, 300, 330, 396, 450, 495, 550, 660, 825, 900, 990, 1100, 1650, 1980, 2475, 3300, 4950, 9900, 123581, 247162, 370743, 494324, 617905, 741486, 1112229, 1235810, 1359391, 1482972, 1853715, 2224458, 2471620, 2718782, 3089525, 3707430, 4078173, 4448916, 5437564, 5561145, 6179050, 6796955, 7414860, 8156346, 9268575, 11122290, 12234519, 12358100, 13593910, 16312692, 18537150, 20390865, 22244580, 24469038, 27187820, 27805725, 33984775, 37074300, 40781730, 48938076, 55611450, 61172595, 67969550, 81563460, 101954325, 111222900, 122345190, 135939100, 203908650, 244690380, 305862975, 407817300, 611725950, 1223451900]

約数ペア:

[(1, 1223451900), (2, 611725950), (3, 407817300), (4, 305862975), (5, 244690380), (6, 203908650), (9, 135939100), (10, 122345190), (11, 111222900), (12, 101954325), (15, 81563460), (18, 67969550), (20, 61172595), (22, 55611450), (25, 48938076), (30, 40781730), (33, 37074300), (36, 33984775), (44, 27805725), (45, 27187820), (50, 24469038), (55, 22244580), (60, 20390865), (66, 18537150), (75, 16312692), (90, 13593910), (99, 12358100), (100, 12234519), (110, 11122290), (132, 9268575), (150, 8156346), (165, 7414860), (180, 6796955), (198, 6179050), (220, 5561145), (225, 5437564), (275, 4448916), (300, 4078173), (330, 3707430), (396, 3089525), (450, 2718782), (495, 2471620), (550, 2224458), (660, 1853715), (825, 1482972), (900, 1359391), (990, 1235810), (1100, 1112229), (1650, 741486), (1980, 617905), (2475, 494324), (3300, 370743), (4950, 247162), (9900, 123581)]