1225984900

素因数分解:

$2^2\times 5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1219

約数の個数: 144

約数和(自身を含む): 3205350400

約数和(自身を除く): 1979365500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 124, 140, 155, 175, 196, 217, 245, 310, 343, 350, 434, 490, 620, 686, 700, 775, 868, 980, 1085, 1153, 1225, 1372, 1519, 1550, 1715, 2170, 2306, 2450, 3038, 3100, 3430, 4340, 4612, 4900, 5425, 5765, 6076, 6860, 7595, 8071, 8575, 10633, 10850, 11530, 15190, 16142, 17150, 21266, 21700, 23060, 28825, 30380, 32284, 34300, 35743, 37975, 40355, 42532, 53165, 56497, 57650, 71486, 75950, 80710, 106330, 112994, 115300, 142972, 151900, 161420, 178715, 201775, 212660, 225988, 250201, 265825, 282485, 357430, 395479, 403550, 500402, 531650, 564970, 714860, 790958, 807100, 893575, 1000804, 1063300, 1129940, 1251005, 1412425, 1581916, 1751407, 1787150, 1977395, 2502010, 2824850, 3502814, 3574300, 3954790, 5004020, 5649700, 6255025, 7005628, 7909580, 8757035, 9886975, 12259849, 12510050, 17514070, 19773950, 24519698, 25020100, 35028140, 39547900, 43785175, 49039396, 61299245, 87570350, 122598490, 175140700, 245196980, 306496225, 612992450, 1225984900]

約数ペア:

[(1, 1225984900), (2, 612992450), (4, 306496225), (5, 245196980), (7, 175140700), (10, 122598490), (14, 87570350), (20, 61299245), (25, 49039396), (28, 43785175), (31, 39547900), (35, 35028140), (49, 25020100), (50, 24519698), (62, 19773950), (70, 17514070), (98, 12510050), (100, 12259849), (124, 9886975), (140, 8757035), (155, 7909580), (175, 7005628), (196, 6255025), (217, 5649700), (245, 5004020), (310, 3954790), (343, 3574300), (350, 3502814), (434, 2824850), (490, 2502010), (620, 1977395), (686, 1787150), (700, 1751407), (775, 1581916), (868, 1412425), (980, 1251005), (1085, 1129940), (1153, 1063300), (1225, 1000804), (1372, 893575), (1519, 807100), (1550, 790958), (1715, 714860), (2170, 564970), (2306, 531650), (2450, 500402), (3038, 403550), (3100, 395479), (3430, 357430), (4340, 282485), (4612, 265825), (4900, 250201), (5425, 225988), (5765, 212660), (6076, 201775), (6860, 178715), (7595, 161420), (8071, 151900), (8575, 142972), (10633, 115300), (10850, 112994), (11530, 106330), (15190, 80710), (16142, 75950), (17150, 71486), (21266, 57650), (21700, 56497), (23060, 53165), (28825, 42532), (30380, 40355), (32284, 37975), (34300, 35743)]