402100070360

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{2083}}^1\times {\mathrm{7459}}^1$

素因数の和:10200

約数の個数: 64

約数和(自身を含む): 906680044800

約数和(自身を除く): 504579974440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2083, 2588, 3235, 4166, 5176, 6470, 7459, 8332, 10415, 12940, 14918, 16664, 20830, 25880, 29836, 37295, 41660, 59672, 74590, 83320, 149180, 298360, 1347701, 2695402, 4825973, 5390804, 6738505, 9651946, 10781608, 13477010, 15537097, 19303892, 24129865, 26954020, 31074194, 38607784, 48259730, 53908040, 62148388, 77685485, 96519460, 124296776, 155370970, 193038920, 310741940, 621483880, 10052501759, 20105003518, 40210007036, 50262508795, 80420014072, 100525017590, 201050035180, 402100070360]

約数ペア:

[(1, 402100070360), (2, 201050035180), (4, 100525017590), (5, 80420014072), (8, 50262508795), (10, 40210007036), (20, 20105003518), (40, 10052501759), (647, 621483880), (1294, 310741940), (2083, 193038920), (2588, 155370970), (3235, 124296776), (4166, 96519460), (5176, 77685485), (6470, 62148388), (7459, 53908040), (8332, 48259730), (10415, 38607784), (12940, 31074194), (14918, 26954020), (16664, 24129865), (20830, 19303892), (25880, 15537097), (29836, 13477010), (37295, 10781608), (41660, 9651946), (59672, 6738505), (74590, 5390804), (83320, 4825973), (149180, 2695402), (298360, 1347701)]