1213302290

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^2\times {\mathrm{89}}^1\times {\mathrm{1621}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 2288674440

約数和(自身を除く): 1075372150

約数列:

[1, 2, 5, 10, 29, 58, 89, 145, 178, 290, 445, 841, 890, 1621, 1682, 2581, 3242, 4205, 5162, 8105, 8410, 12905, 16210, 25810, 47009, 74849, 94018, 144269, 149698, 235045, 288538, 374245, 470090, 721345, 748490, 1363261, 1442690, 2726522, 4183801, 6816305, 8367602, 13632610, 20919005, 41838010, 121330229, 242660458, 606651145, 1213302290]

約数ペア:

[(1, 1213302290), (2, 606651145), (5, 242660458), (10, 121330229), (29, 41838010), (58, 20919005), (89, 13632610), (145, 8367602), (178, 6816305), (290, 4183801), (445, 2726522), (841, 1442690), (890, 1363261), (1621, 748490), (1682, 721345), (2581, 470090), (3242, 374245), (4205, 288538), (5162, 235045), (8105, 149698), (8410, 144269), (12905, 94018), (16210, 74849), (25810, 47009)]