406050400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2397

約数の個数: 144

約数和(自身を含む): 1169925120

約数和(自身を除く): 763874720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 140, 155, 160, 175, 200, 217, 224, 248, 280, 310, 350, 400, 434, 496, 560, 620, 700, 775, 800, 868, 992, 1085, 1120, 1240, 1400, 1550, 1736, 2170, 2339, 2480, 2800, 3100, 3472, 4340, 4678, 4960, 5425, 5600, 6200, 6944, 8680, 9356, 10850, 11695, 12400, 16373, 17360, 18712, 21700, 23390, 24800, 32746, 34720, 37424, 43400, 46780, 58475, 65492, 72509, 74848, 81865, 86800, 93560, 116950, 130984, 145018, 163730, 173600, 187120, 233900, 261968, 290036, 327460, 362545, 374240, 409325, 467800, 507563, 523936, 580072, 654920, 725090, 818650, 935600, 1015126, 1160144, 1309840, 1450180, 1637300, 1812725, 1871200, 2030252, 2320288, 2537815, 2619680, 2900360, 3274600, 3625450, 4060504, 5075630, 5800720, 6549200, 7250900, 8121008, 10151260, 11601440, 12689075, 13098400, 14501800, 16242016, 20302520, 25378150, 29003600, 40605040, 50756300, 58007200, 81210080, 101512600, 203025200, 406050400]

約数ペア:

[(1, 406050400), (2, 203025200), (4, 101512600), (5, 81210080), (7, 58007200), (8, 50756300), (10, 40605040), (14, 29003600), (16, 25378150), (20, 20302520), (25, 16242016), (28, 14501800), (31, 13098400), (32, 12689075), (35, 11601440), (40, 10151260), (50, 8121008), (56, 7250900), (62, 6549200), (70, 5800720), (80, 5075630), (100, 4060504), (112, 3625450), (124, 3274600), (140, 2900360), (155, 2619680), (160, 2537815), (175, 2320288), (200, 2030252), (217, 1871200), (224, 1812725), (248, 1637300), (280, 1450180), (310, 1309840), (350, 1160144), (400, 1015126), (434, 935600), (496, 818650), (560, 725090), (620, 654920), (700, 580072), (775, 523936), (800, 507563), (868, 467800), (992, 409325), (1085, 374240), (1120, 362545), (1240, 327460), (1400, 290036), (1550, 261968), (1736, 233900), (2170, 187120), (2339, 173600), (2480, 163730), (2800, 145018), (3100, 130984), (3472, 116950), (4340, 93560), (4678, 86800), (4960, 81865), (5425, 74848), (5600, 72509), (6200, 65492), (6944, 58475), (8680, 46780), (9356, 43400), (10850, 37424), (11695, 34720), (12400, 32746), (16373, 24800), (17360, 23390), (18712, 21700)]