31394300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 108

約数和(自身を含む): 81635400

約数和(自身を除く): 50241100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 49, 50, 70, 86, 98, 100, 140, 149, 172, 175, 196, 215, 245, 298, 301, 350, 430, 490, 596, 602, 700, 745, 860, 980, 1043, 1075, 1204, 1225, 1490, 1505, 2086, 2107, 2150, 2450, 2980, 3010, 3725, 4172, 4214, 4300, 4900, 5215, 6020, 6407, 7301, 7450, 7525, 8428, 10430, 10535, 12814, 14602, 14900, 15050, 20860, 21070, 25628, 26075, 29204, 30100, 32035, 36505, 42140, 44849, 52150, 52675, 64070, 73010, 89698, 104300, 105350, 128140, 146020, 160175, 179396, 182525, 210700, 224245, 313943, 320350, 365050, 448490, 627886, 640700, 730100, 896980, 1121225, 1255772, 1569715, 2242450, 3139430, 4484900, 6278860, 7848575, 15697150, 31394300]

約数ペア:

[(1, 31394300), (2, 15697150), (4, 7848575), (5, 6278860), (7, 4484900), (10, 3139430), (14, 2242450), (20, 1569715), (25, 1255772), (28, 1121225), (35, 896980), (43, 730100), (49, 640700), (50, 627886), (70, 448490), (86, 365050), (98, 320350), (100, 313943), (140, 224245), (149, 210700), (172, 182525), (175, 179396), (196, 160175), (215, 146020), (245, 128140), (298, 105350), (301, 104300), (350, 89698), (430, 73010), (490, 64070), (596, 52675), (602, 52150), (700, 44849), (745, 42140), (860, 36505), (980, 32035), (1043, 30100), (1075, 29204), (1204, 26075), (1225, 25628), (1490, 21070), (1505, 20860), (2086, 15050), (2107, 14900), (2150, 14602), (2450, 12814), (2980, 10535), (3010, 10430), (3725, 8428), (4172, 7525), (4214, 7450), (4300, 7301), (4900, 6407), (5215, 6020)]