16881700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 40622400

約数和(自身を除く): 23740700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 103, 110, 149, 206, 220, 275, 298, 412, 515, 550, 596, 745, 1030, 1100, 1133, 1490, 1639, 2060, 2266, 2575, 2980, 3278, 3725, 4532, 5150, 5665, 6556, 7450, 8195, 10300, 11330, 14900, 15347, 16390, 22660, 28325, 30694, 32780, 40975, 56650, 61388, 76735, 81950, 113300, 153470, 163900, 168817, 306940, 337634, 383675, 675268, 767350, 844085, 1534700, 1688170, 3376340, 4220425, 8440850, 16881700]

約数ペア:

[(1, 16881700), (2, 8440850), (4, 4220425), (5, 3376340), (10, 1688170), (11, 1534700), (20, 844085), (22, 767350), (25, 675268), (44, 383675), (50, 337634), (55, 306940), (100, 168817), (103, 163900), (110, 153470), (149, 113300), (206, 81950), (220, 76735), (275, 61388), (298, 56650), (412, 40975), (515, 32780), (550, 30694), (596, 28325), (745, 22660), (1030, 16390), (1100, 15347), (1133, 14900), (1490, 11330), (1639, 10300), (2060, 8195), (2266, 7450), (2575, 6556), (2980, 5665), (3278, 5150), (3725, 4532)]