278324150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{18617}}^1$

素因数の和:18665

約数の個数: 48

約数和(自身を含む): 581775264

約数和(自身を除く): 303451114

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1495, 2990, 7475, 14950, 18617, 37234, 93085, 186170, 242021, 428191, 465425, 484042, 856382, 930850, 1210105, 2140955, 2420210, 4281910, 5566483, 6050525, 10704775, 11132966, 12101050, 21409550, 27832415, 55664830, 139162075, 278324150]

約数ペア:

[(1, 278324150), (2, 139162075), (5, 55664830), (10, 27832415), (13, 21409550), (23, 12101050), (25, 11132966), (26, 10704775), (46, 6050525), (50, 5566483), (65, 4281910), (115, 2420210), (130, 2140955), (230, 1210105), (299, 930850), (325, 856382), (575, 484042), (598, 465425), (650, 428191), (1150, 242021), (1495, 186170), (2990, 93085), (7475, 37234), (14950, 18617)]