164436400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 120

約数和(自身を含む): 415152000

約数和(自身を除く): 250715600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 89, 100, 124, 149, 155, 178, 200, 248, 298, 310, 356, 400, 445, 496, 596, 620, 712, 745, 775, 890, 1192, 1240, 1424, 1490, 1550, 1780, 2225, 2384, 2480, 2759, 2980, 3100, 3560, 3725, 4450, 4619, 5518, 5960, 6200, 7120, 7450, 8900, 9238, 11036, 11920, 12400, 13261, 13795, 14900, 17800, 18476, 22072, 23095, 26522, 27590, 29800, 35600, 36952, 44144, 46190, 53044, 55180, 59600, 66305, 68975, 73904, 92380, 106088, 110360, 115475, 132610, 137950, 184760, 212176, 220720, 230950, 265220, 275900, 331525, 369520, 411091, 461900, 530440, 551800, 663050, 822182, 923800, 1060880, 1103600, 1326100, 1644364, 1847600, 2055455, 2652200, 3288728, 4110910, 5304400, 6577456, 8221820, 10277275, 16443640, 20554550, 32887280, 41109100, 82218200, 164436400]

約数ペア:

[(1, 164436400), (2, 82218200), (4, 41109100), (5, 32887280), (8, 20554550), (10, 16443640), (16, 10277275), (20, 8221820), (25, 6577456), (31, 5304400), (40, 4110910), (50, 3288728), (62, 2652200), (80, 2055455), (89, 1847600), (100, 1644364), (124, 1326100), (149, 1103600), (155, 1060880), (178, 923800), (200, 822182), (248, 663050), (298, 551800), (310, 530440), (356, 461900), (400, 411091), (445, 369520), (496, 331525), (596, 275900), (620, 265220), (712, 230950), (745, 220720), (775, 212176), (890, 184760), (1192, 137950), (1240, 132610), (1424, 115475), (1490, 110360), (1550, 106088), (1780, 92380), (2225, 73904), (2384, 68975), (2480, 66305), (2759, 59600), (2980, 55180), (3100, 53044), (3560, 46190), (3725, 44144), (4450, 36952), (4619, 35600), (5518, 29800), (5960, 27590), (6200, 26522), (7120, 23095), (7450, 22072), (8900, 18476), (9238, 17800), (11036, 14900), (11920, 13795), (12400, 13261)]