304473940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{3533}}^1$

素因数の和:3712

約数の個数: 48

約数和(自身を含む): 664957440

約数和(自身を除く): 360483500

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 3533, 4309, 7066, 8618, 14132, 17236, 17665, 21545, 35330, 43090, 70660, 86180, 109523, 219046, 438092, 491087, 547615, 982174, 1095230, 1964348, 2190460, 2455435, 4910870, 9821740, 15223697, 30447394, 60894788, 76118485, 152236970, 304473940]

約数ペア:

[(1, 304473940), (2, 152236970), (4, 76118485), (5, 60894788), (10, 30447394), (20, 15223697), (31, 9821740), (62, 4910870), (124, 2455435), (139, 2190460), (155, 1964348), (278, 1095230), (310, 982174), (556, 547615), (620, 491087), (695, 438092), (1390, 219046), (2780, 109523), (3533, 86180), (4309, 70660), (7066, 43090), (8618, 35330), (14132, 21545), (17236, 17665)]