78141700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 216208384

約数和(自身を除く): 138066684

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 31, 35, 50, 52, 62, 65, 70, 91, 100, 124, 130, 140, 155, 175, 182, 217, 260, 277, 310, 325, 350, 364, 403, 434, 455, 554, 620, 650, 700, 775, 806, 868, 910, 1085, 1108, 1300, 1385, 1550, 1612, 1820, 1939, 2015, 2170, 2275, 2770, 2821, 3100, 3601, 3878, 4030, 4340, 4550, 5425, 5540, 5642, 6925, 7202, 7756, 8060, 8587, 9100, 9695, 10075, 10850, 11284, 13850, 14105, 14404, 17174, 18005, 19390, 20150, 21700, 25207, 27700, 28210, 34348, 36010, 38780, 40300, 42935, 48475, 50414, 56420, 60109, 70525, 72020, 85870, 90025, 96950, 100828, 111631, 120218, 126035, 141050, 171740, 180050, 193900, 214675, 223262, 240436, 252070, 282100, 300545, 360100, 429350, 446524, 504140, 558155, 601090, 630175, 781417, 858700, 1116310, 1202180, 1260350, 1502725, 1562834, 2232620, 2520700, 2790775, 3005450, 3125668, 3907085, 5581550, 6010900, 7814170, 11163100, 15628340, 19535425, 39070850, 78141700]

約数ペア:

[(1, 78141700), (2, 39070850), (4, 19535425), (5, 15628340), (7, 11163100), (10, 7814170), (13, 6010900), (14, 5581550), (20, 3907085), (25, 3125668), (26, 3005450), (28, 2790775), (31, 2520700), (35, 2232620), (50, 1562834), (52, 1502725), (62, 1260350), (65, 1202180), (70, 1116310), (91, 858700), (100, 781417), (124, 630175), (130, 601090), (140, 558155), (155, 504140), (175, 446524), (182, 429350), (217, 360100), (260, 300545), (277, 282100), (310, 252070), (325, 240436), (350, 223262), (364, 214675), (403, 193900), (434, 180050), (455, 171740), (554, 141050), (620, 126035), (650, 120218), (700, 111631), (775, 100828), (806, 96950), (868, 90025), (910, 85870), (1085, 72020), (1108, 70525), (1300, 60109), (1385, 56420), (1550, 50414), (1612, 48475), (1820, 42935), (1939, 40300), (2015, 38780), (2170, 36010), (2275, 34348), (2770, 28210), (2821, 27700), (3100, 25207), (3601, 21700), (3878, 20150), (4030, 19390), (4340, 18005), (4550, 17174), (5425, 14404), (5540, 14105), (5642, 13850), (6925, 11284), (7202, 10850), (7756, 10075), (8060, 9695), (8587, 9100)]