149831420

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{367}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 319939200

約数和(自身を除く): 170107780

約数列:

[1, 2, 4, 5, 10, 20, 137, 149, 274, 298, 367, 548, 596, 685, 734, 745, 1370, 1468, 1490, 1835, 2740, 2980, 3670, 7340, 20413, 40826, 50279, 54683, 81652, 100558, 102065, 109366, 201116, 204130, 218732, 251395, 273415, 408260, 502790, 546830, 1005580, 1093660, 7491571, 14983142, 29966284, 37457855, 74915710, 149831420]

約数ペア:

[(1, 149831420), (2, 74915710), (4, 37457855), (5, 29966284), (10, 14983142), (20, 7491571), (137, 1093660), (149, 1005580), (274, 546830), (298, 502790), (367, 408260), (548, 273415), (596, 251395), (685, 218732), (734, 204130), (745, 201116), (1370, 109366), (1468, 102065), (1490, 100558), (1835, 81652), (2740, 54683), (2980, 50279), (3670, 40826), (7340, 20413)]