1999304830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1513

約数の個数: 64

約数和(自身を含む): 3876284160

約数和(自身を除く): 1876979330

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 97, 166, 190, 194, 415, 485, 830, 970, 1307, 1577, 1843, 2614, 3154, 3686, 6535, 7885, 8051, 9215, 13070, 15770, 16102, 18430, 24833, 40255, 49666, 80510, 108481, 124165, 126779, 152969, 216962, 248330, 253558, 305938, 542405, 633895, 764845, 1084810, 1267790, 1529690, 2061139, 2408801, 4122278, 4817602, 10305695, 10522657, 12044005, 20611390, 21045314, 24088010, 52613285, 105226570, 199930483, 399860966, 999652415, 1999304830]

約数ペア:

[(1, 1999304830), (2, 999652415), (5, 399860966), (10, 199930483), (19, 105226570), (38, 52613285), (83, 24088010), (95, 21045314), (97, 20611390), (166, 12044005), (190, 10522657), (194, 10305695), (415, 4817602), (485, 4122278), (830, 2408801), (970, 2061139), (1307, 1529690), (1577, 1267790), (1843, 1084810), (2614, 764845), (3154, 633895), (3686, 542405), (6535, 305938), (7885, 253558), (8051, 248330), (9215, 216962), (13070, 152969), (15770, 126779), (16102, 124165), (18430, 108481), (24833, 80510), (40255, 49666)]