203465860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3541}}^1$

素因数の和:3593

約数の個数: 72

約数和(自身を含む): 490028616

約数和(自身を除く): 286562756

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 169, 170, 221, 260, 338, 340, 442, 676, 845, 884, 1105, 1690, 2210, 2873, 3380, 3541, 4420, 5746, 7082, 11492, 14164, 14365, 17705, 28730, 35410, 46033, 57460, 60197, 70820, 92066, 120394, 184132, 230165, 240788, 300985, 460330, 598429, 601970, 782561, 920660, 1196858, 1203940, 1565122, 2393716, 2992145, 3130244, 3912805, 5984290, 7825610, 10173293, 11968580, 15651220, 20346586, 40693172, 50866465, 101732930, 203465860]

約数ペア:

[(1, 203465860), (2, 101732930), (4, 50866465), (5, 40693172), (10, 20346586), (13, 15651220), (17, 11968580), (20, 10173293), (26, 7825610), (34, 5984290), (52, 3912805), (65, 3130244), (68, 2992145), (85, 2393716), (130, 1565122), (169, 1203940), (170, 1196858), (221, 920660), (260, 782561), (338, 601970), (340, 598429), (442, 460330), (676, 300985), (845, 240788), (884, 230165), (1105, 184132), (1690, 120394), (2210, 92066), (2873, 70820), (3380, 60197), (3541, 57460), (4420, 46033), (5746, 35410), (7082, 28730), (11492, 17705), (14164, 14365)]