2912854980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{990767}}^1$

素因数の和:990793

約数の個数: 72

約数和(自身を含む): 9487594368

約数和(自身を除く): 6574739388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 990767, 1981534, 2972301, 3963068, 4953835, 5944602, 6935369, 9907670, 11889204, 13870738, 14861505, 19815340, 20806107, 27741476, 29723010, 34676845, 41612214, 48547583, 59446020, 69353690, 83224428, 97095166, 104030535, 138707380, 145642749, 194190332, 208061070, 242737915, 291285498, 416122140, 485475830, 582570996, 728213745, 970951660, 1456427490, 2912854980]

約数ペア:

[(1, 2912854980), (2, 1456427490), (3, 970951660), (4, 728213745), (5, 582570996), (6, 485475830), (7, 416122140), (10, 291285498), (12, 242737915), (14, 208061070), (15, 194190332), (20, 145642749), (21, 138707380), (28, 104030535), (30, 97095166), (35, 83224428), (42, 69353690), (49, 59446020), (60, 48547583), (70, 41612214), (84, 34676845), (98, 29723010), (105, 27741476), (140, 20806107), (147, 19815340), (196, 14861505), (210, 13870738), (245, 11889204), (294, 9907670), (420, 6935369), (490, 5944602), (588, 4953835), (735, 3963068), (980, 2972301), (1470, 1981534), (2940, 990767)]