156957193900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2807821}}^1$

素因数の和:2807891

約数の個数: 72

約数和(自身を含む): 375327182384

約数和(自身を除く): 218369988484

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 43, 50, 52, 65, 86, 100, 130, 172, 215, 260, 325, 430, 559, 650, 860, 1075, 1118, 1300, 2150, 2236, 2795, 4300, 5590, 11180, 13975, 27950, 55900, 2807821, 5615642, 11231284, 14039105, 28078210, 36501673, 56156420, 70195525, 73003346, 120736303, 140391050, 146006692, 182508365, 241472606, 280782100, 365016730, 482945212, 603681515, 730033460, 912541825, 1207363030, 1569571939, 1825083650, 2414726060, 3018407575, 3139143878, 3650167300, 6036815150, 6278287756, 7847859695, 12073630300, 15695719390, 31391438780, 39239298475, 78478596950, 156957193900]

約数ペア:

[(1, 156957193900), (2, 78478596950), (4, 39239298475), (5, 31391438780), (10, 15695719390), (13, 12073630300), (20, 7847859695), (25, 6278287756), (26, 6036815150), (43, 3650167300), (50, 3139143878), (52, 3018407575), (65, 2414726060), (86, 1825083650), (100, 1569571939), (130, 1207363030), (172, 912541825), (215, 730033460), (260, 603681515), (325, 482945212), (430, 365016730), (559, 280782100), (650, 241472606), (860, 182508365), (1075, 146006692), (1118, 140391050), (1300, 120736303), (2150, 73003346), (2236, 70195525), (2795, 56156420), (4300, 36501673), (5590, 28078210), (11180, 14039105), (13975, 11231284), (27950, 5615642), (55900, 2807821)]