74427990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 222566400

約数和(自身を除く): 148138410

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 137, 182, 195, 199, 210, 273, 274, 390, 398, 411, 455, 546, 597, 685, 822, 910, 959, 995, 1194, 1365, 1370, 1393, 1781, 1918, 1990, 2055, 2587, 2730, 2786, 2877, 2985, 3562, 4110, 4179, 4795, 5174, 5343, 5754, 5970, 6965, 7761, 8358, 8905, 9590, 10686, 12467, 12935, 13930, 14385, 15522, 17810, 18109, 20895, 24934, 25870, 26715, 27263, 28770, 36218, 37401, 38805, 41790, 53430, 54327, 54526, 62335, 74802, 77610, 81789, 90545, 108654, 124670, 136315, 163578, 181090, 187005, 190841, 271635, 272630, 354419, 374010, 381682, 408945, 543270, 572523, 708838, 817890, 954205, 1063257, 1145046, 1772095, 1908410, 2126514, 2480933, 2862615, 3544190, 4961866, 5316285, 5725230, 7442799, 10632570, 12404665, 14885598, 24809330, 37213995, 74427990]

約数ペア:

[(1, 74427990), (2, 37213995), (3, 24809330), (5, 14885598), (6, 12404665), (7, 10632570), (10, 7442799), (13, 5725230), (14, 5316285), (15, 4961866), (21, 3544190), (26, 2862615), (30, 2480933), (35, 2126514), (39, 1908410), (42, 1772095), (65, 1145046), (70, 1063257), (78, 954205), (91, 817890), (105, 708838), (130, 572523), (137, 543270), (182, 408945), (195, 381682), (199, 374010), (210, 354419), (273, 272630), (274, 271635), (390, 190841), (398, 187005), (411, 181090), (455, 163578), (546, 136315), (597, 124670), (685, 108654), (822, 90545), (910, 81789), (959, 77610), (995, 74802), (1194, 62335), (1365, 54526), (1370, 54327), (1393, 53430), (1781, 41790), (1918, 38805), (1990, 37401), (2055, 36218), (2587, 28770), (2730, 27263), (2786, 26715), (2877, 25870), (2985, 24934), (3562, 20895), (4110, 18109), (4179, 17810), (4795, 15522), (5174, 14385), (5343, 13930), (5754, 12935), (5970, 12467), (6965, 10686), (7761, 9590), (8358, 8905)]