28451850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^4\times {\mathrm{79}}^1$

素因数の和:122

約数の個数: 120

約数和(自身を含む): 83357760

約数和(自身を除く): 54905910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 79, 98, 105, 147, 150, 158, 175, 210, 237, 245, 294, 343, 350, 395, 474, 490, 525, 553, 686, 735, 790, 1029, 1050, 1106, 1185, 1225, 1470, 1659, 1715, 1975, 2058, 2370, 2401, 2450, 2765, 3318, 3430, 3675, 3871, 3950, 4802, 5145, 5530, 5925, 7203, 7350, 7742, 8295, 8575, 10290, 11613, 11850, 12005, 13825, 14406, 16590, 17150, 19355, 23226, 24010, 25725, 27097, 27650, 36015, 38710, 41475, 51450, 54194, 58065, 60025, 72030, 81291, 82950, 96775, 116130, 120050, 135485, 162582, 180075, 189679, 193550, 270970, 290325, 360150, 379358, 406455, 569037, 580650, 677425, 812910, 948395, 1138074, 1354850, 1896790, 2032275, 2845185, 4064550, 4741975, 5690370, 9483950, 14225925, 28451850]

約数ペア:

[(1, 28451850), (2, 14225925), (3, 9483950), (5, 5690370), (6, 4741975), (7, 4064550), (10, 2845185), (14, 2032275), (15, 1896790), (21, 1354850), (25, 1138074), (30, 948395), (35, 812910), (42, 677425), (49, 580650), (50, 569037), (70, 406455), (75, 379358), (79, 360150), (98, 290325), (105, 270970), (147, 193550), (150, 189679), (158, 180075), (175, 162582), (210, 135485), (237, 120050), (245, 116130), (294, 96775), (343, 82950), (350, 81291), (395, 72030), (474, 60025), (490, 58065), (525, 54194), (553, 51450), (686, 41475), (735, 38710), (790, 36015), (1029, 27650), (1050, 27097), (1106, 25725), (1185, 24010), (1225, 23226), (1470, 19355), (1659, 17150), (1715, 16590), (1975, 14406), (2058, 13825), (2370, 12005), (2401, 11850), (2450, 11613), (2765, 10290), (3318, 8575), (3430, 8295), (3675, 7742), (3871, 7350), (3950, 7203), (4802, 5925), (5145, 5530)]