409965080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:769

約数の個数: 128

約数和(自身を含む): 1104814080

約数和(自身を除く): 694849000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 73, 124, 140, 146, 155, 217, 248, 280, 292, 310, 365, 434, 511, 584, 620, 647, 730, 868, 1022, 1085, 1240, 1294, 1460, 1736, 2044, 2170, 2263, 2555, 2588, 2920, 3235, 4088, 4340, 4526, 4529, 5110, 5176, 6470, 8680, 9052, 9058, 10220, 11315, 12940, 15841, 18104, 18116, 20057, 20440, 22630, 22645, 25880, 31682, 36232, 40114, 45260, 45290, 47231, 63364, 79205, 80228, 90520, 90580, 94462, 100285, 126728, 140399, 158410, 160456, 181160, 188924, 200570, 236155, 280798, 316820, 330617, 377848, 401140, 472310, 561596, 633640, 661234, 701995, 802280, 944620, 1123192, 1322468, 1403990, 1464161, 1653085, 1889240, 2644936, 2807980, 2928322, 3306170, 5615960, 5856644, 6612340, 7320805, 10249127, 11713288, 13224680, 14641610, 20498254, 29283220, 40996508, 51245635, 58566440, 81993016, 102491270, 204982540, 409965080]

約数ペア:

[(1, 409965080), (2, 204982540), (4, 102491270), (5, 81993016), (7, 58566440), (8, 51245635), (10, 40996508), (14, 29283220), (20, 20498254), (28, 14641610), (31, 13224680), (35, 11713288), (40, 10249127), (56, 7320805), (62, 6612340), (70, 5856644), (73, 5615960), (124, 3306170), (140, 2928322), (146, 2807980), (155, 2644936), (217, 1889240), (248, 1653085), (280, 1464161), (292, 1403990), (310, 1322468), (365, 1123192), (434, 944620), (511, 802280), (584, 701995), (620, 661234), (647, 633640), (730, 561596), (868, 472310), (1022, 401140), (1085, 377848), (1240, 330617), (1294, 316820), (1460, 280798), (1736, 236155), (2044, 200570), (2170, 188924), (2263, 181160), (2555, 160456), (2588, 158410), (2920, 140399), (3235, 126728), (4088, 100285), (4340, 94462), (4526, 90580), (4529, 90520), (5110, 80228), (5176, 79205), (6470, 63364), (8680, 47231), (9052, 45290), (9058, 45260), (10220, 40114), (11315, 36232), (12940, 31682), (15841, 25880), (18104, 22645), (18116, 22630), (20057, 20440)]