About the Number

198408990

198408989 ← → 198408991

2進数表記:1011110100110111101100011110

漢数字表記:一億九千八百四十万八千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 31 1 × 16411 1

素因数の和:16465
約数の個数: 64
約数和(自身を含む): 529385472
約数和(自身を除く): 330976482

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 4030, 6045, 12090, 16411, 32822, 49233, 82055, 98466, 164110, 213343, 246165, 426686, 492330, 508741, 640029, 1017482, 1066715, 1280058, 1526223, 2133430, 2543705, 3052446, 3200145, 5087410, 6400290, 6613633, 7631115, 13227266, 15262230, 19840899, 33068165, 39681798, 66136330, 99204495, 198408990]

約数ペア:
[(1, 198408990), (2, 99204495), (3, 66136330), (5, 39681798), (6, 33068165), (10, 19840899), (13, 15262230), (15, 13227266), (26, 7631115), (30, 6613633), (31, 6400290), (39, 5087410), (62, 3200145), (65, 3052446), (78, 2543705), (93, 2133430), (130, 1526223), (155, 1280058), (186, 1066715), (195, 1017482), (310, 640029), (390, 508741), (403, 492330), (465, 426686), (806, 246165), (930, 213343), (1209, 164110), (2015, 98466), (2418, 82055), (4030, 49233), (6045, 32822), (12090, 16411)]

このpageの処理時間: 0.014042377471923828 seconds