290393460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{230471}}^1$

素因数の和:230493

約数の個数: 72

約数和(自身を含む): 1006701696

約数和(自身を除く): 716308236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 230471, 460942, 691413, 921884, 1152355, 1382826, 1613297, 2074239, 2304710, 2765652, 3226594, 3457065, 4148478, 4609420, 4839891, 6453188, 6914130, 8066485, 8296956, 9679782, 10371195, 13828260, 14519673, 16132970, 19359564, 20742390, 24199455, 29039346, 32265940, 41484780, 48398910, 58078692, 72598365, 96797820, 145196730, 290393460]

約数ペア:

[(1, 290393460), (2, 145196730), (3, 96797820), (4, 72598365), (5, 58078692), (6, 48398910), (7, 41484780), (9, 32265940), (10, 29039346), (12, 24199455), (14, 20742390), (15, 19359564), (18, 16132970), (20, 14519673), (21, 13828260), (28, 10371195), (30, 9679782), (35, 8296956), (36, 8066485), (42, 6914130), (45, 6453188), (60, 4839891), (63, 4609420), (70, 4148478), (84, 3457065), (90, 3226594), (105, 2765652), (126, 2304710), (140, 2074239), (180, 1613297), (210, 1382826), (252, 1152355), (315, 921884), (420, 691413), (630, 460942), (1260, 230471)]