149165800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 417294720

約数和(自身を除く): 268128920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 98, 100, 124, 140, 155, 175, 196, 200, 217, 245, 248, 280, 310, 350, 392, 434, 490, 491, 620, 700, 775, 868, 980, 982, 1085, 1225, 1240, 1400, 1519, 1550, 1736, 1960, 1964, 2170, 2450, 2455, 3038, 3100, 3437, 3928, 4340, 4900, 4910, 5425, 6076, 6200, 6874, 7595, 8680, 9800, 9820, 10850, 12152, 12275, 13748, 15190, 15221, 17185, 19640, 21700, 24059, 24550, 27496, 30380, 30442, 34370, 37975, 43400, 48118, 49100, 60760, 60884, 68740, 75950, 76105, 85925, 96236, 98200, 106547, 120295, 121768, 137480, 151900, 152210, 171850, 192472, 213094, 240590, 303800, 304420, 343700, 380525, 426188, 481180, 532735, 601475, 608840, 687400, 745829, 761050, 852376, 962360, 1065470, 1202950, 1491658, 1522100, 2130940, 2405900, 2663675, 2983316, 3044200, 3729145, 4261880, 4811800, 5327350, 5966632, 7458290, 10654700, 14916580, 18645725, 21309400, 29833160, 37291450, 74582900, 149165800]

約数ペア:

[(1, 149165800), (2, 74582900), (4, 37291450), (5, 29833160), (7, 21309400), (8, 18645725), (10, 14916580), (14, 10654700), (20, 7458290), (25, 5966632), (28, 5327350), (31, 4811800), (35, 4261880), (40, 3729145), (49, 3044200), (50, 2983316), (56, 2663675), (62, 2405900), (70, 2130940), (98, 1522100), (100, 1491658), (124, 1202950), (140, 1065470), (155, 962360), (175, 852376), (196, 761050), (200, 745829), (217, 687400), (245, 608840), (248, 601475), (280, 532735), (310, 481180), (350, 426188), (392, 380525), (434, 343700), (490, 304420), (491, 303800), (620, 240590), (700, 213094), (775, 192472), (868, 171850), (980, 152210), (982, 151900), (1085, 137480), (1225, 121768), (1240, 120295), (1400, 106547), (1519, 98200), (1550, 96236), (1736, 85925), (1960, 76105), (1964, 75950), (2170, 68740), (2450, 60884), (2455, 60760), (3038, 49100), (3100, 48118), (3437, 43400), (3928, 37975), (4340, 34370), (4900, 30442), (4910, 30380), (5425, 27496), (6076, 24550), (6200, 24059), (6874, 21700), (7595, 19640), (8680, 17185), (9800, 15221), (9820, 15190), (10850, 13748), (12152, 12275)]