243948620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1\times {\mathrm{659}}^1$

素因数の和:974

約数の個数: 48

約数和(自身を含む): 521579520

約数和(自身を除く): 277630900

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 223, 332, 415, 446, 659, 830, 892, 1115, 1318, 1660, 2230, 2636, 3295, 4460, 6590, 13180, 18509, 37018, 54697, 74036, 92545, 109394, 146957, 185090, 218788, 273485, 293914, 370180, 546970, 587828, 734785, 1093940, 1469570, 2939140, 12197431, 24394862, 48789724, 60987155, 121974310, 243948620]

約数ペア:

[(1, 243948620), (2, 121974310), (4, 60987155), (5, 48789724), (10, 24394862), (20, 12197431), (83, 2939140), (166, 1469570), (223, 1093940), (332, 734785), (415, 587828), (446, 546970), (659, 370180), (830, 293914), (892, 273485), (1115, 218788), (1318, 185090), (1660, 146957), (2230, 109394), (2636, 92545), (3295, 74036), (4460, 54697), (6590, 37018), (13180, 18509)]