1438006940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{10501}}^1$

素因数の和:10718

約数の個数: 48

約数和(自身を含む): 3112288704

約数和(自身を除く): 1674281764

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 205, 334, 410, 668, 820, 835, 1670, 3340, 6847, 10501, 13694, 21002, 27388, 34235, 42004, 52505, 68470, 105010, 136940, 210020, 430541, 861082, 1722164, 1753667, 2152705, 3507334, 4305410, 7014668, 8610820, 8768335, 17536670, 35073340, 71900347, 143800694, 287601388, 359501735, 719003470, 1438006940]

約数ペア:

[(1, 1438006940), (2, 719003470), (4, 359501735), (5, 287601388), (10, 143800694), (20, 71900347), (41, 35073340), (82, 17536670), (164, 8768335), (167, 8610820), (205, 7014668), (334, 4305410), (410, 3507334), (668, 2152705), (820, 1753667), (835, 1722164), (1670, 861082), (3340, 430541), (6847, 210020), (10501, 136940), (13694, 105010), (21002, 68470), (27388, 52505), (34235, 42004)]