204991840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1117}}^1$

素因数の和:1200

約数の個数: 96

約数和(自身を含む): 513886464

約数和(自身を除く): 308894624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 370, 496, 592, 620, 740, 992, 1117, 1147, 1184, 1240, 1480, 2234, 2294, 2480, 2960, 4468, 4588, 4960, 5585, 5735, 5920, 8936, 9176, 11170, 11470, 17872, 18352, 22340, 22940, 34627, 35744, 36704, 41329, 44680, 45880, 69254, 82658, 89360, 91760, 138508, 165316, 173135, 178720, 183520, 206645, 277016, 330632, 346270, 413290, 554032, 661264, 692540, 826580, 1108064, 1281199, 1322528, 1385080, 1653160, 2562398, 2770160, 3306320, 5124796, 5540320, 6405995, 6612640, 10249592, 12811990, 20499184, 25623980, 40998368, 51247960, 102495920, 204991840]

約数ペア:

[(1, 204991840), (2, 102495920), (4, 51247960), (5, 40998368), (8, 25623980), (10, 20499184), (16, 12811990), (20, 10249592), (31, 6612640), (32, 6405995), (37, 5540320), (40, 5124796), (62, 3306320), (74, 2770160), (80, 2562398), (124, 1653160), (148, 1385080), (155, 1322528), (160, 1281199), (185, 1108064), (248, 826580), (296, 692540), (310, 661264), (370, 554032), (496, 413290), (592, 346270), (620, 330632), (740, 277016), (992, 206645), (1117, 183520), (1147, 178720), (1184, 173135), (1240, 165316), (1480, 138508), (2234, 91760), (2294, 89360), (2480, 82658), (2960, 69254), (4468, 45880), (4588, 44680), (4960, 41329), (5585, 36704), (5735, 35744), (5920, 34627), (8936, 22940), (9176, 22340), (11170, 18352), (11470, 17872)]