397382800

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 1001285120

約数和(自身を除く): 603902320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 73, 80, 100, 124, 146, 155, 200, 248, 292, 310, 365, 400, 439, 496, 584, 620, 730, 775, 878, 1168, 1240, 1460, 1550, 1756, 1825, 2195, 2263, 2480, 2920, 3100, 3512, 3650, 4390, 4526, 5840, 6200, 7024, 7300, 8780, 9052, 10975, 11315, 12400, 13609, 14600, 17560, 18104, 21950, 22630, 27218, 29200, 32047, 35120, 36208, 43900, 45260, 54436, 56575, 64094, 68045, 87800, 90520, 108872, 113150, 128188, 136090, 160235, 175600, 181040, 217744, 226300, 256376, 272180, 320470, 340225, 452600, 512752, 544360, 640940, 680450, 801175, 905200, 993457, 1088720, 1281880, 1360900, 1602350, 1986914, 2563760, 2721800, 3204700, 3973828, 4967285, 5443600, 6409400, 7947656, 9934570, 12818800, 15895312, 19869140, 24836425, 39738280, 49672850, 79476560, 99345700, 198691400, 397382800]

約数ペア:

[(1, 397382800), (2, 198691400), (4, 99345700), (5, 79476560), (8, 49672850), (10, 39738280), (16, 24836425), (20, 19869140), (25, 15895312), (31, 12818800), (40, 9934570), (50, 7947656), (62, 6409400), (73, 5443600), (80, 4967285), (100, 3973828), (124, 3204700), (146, 2721800), (155, 2563760), (200, 1986914), (248, 1602350), (292, 1360900), (310, 1281880), (365, 1088720), (400, 993457), (439, 905200), (496, 801175), (584, 680450), (620, 640940), (730, 544360), (775, 512752), (878, 452600), (1168, 340225), (1240, 320470), (1460, 272180), (1550, 256376), (1756, 226300), (1825, 217744), (2195, 181040), (2263, 175600), (2480, 160235), (2920, 136090), (3100, 128188), (3512, 113150), (3650, 108872), (4390, 90520), (4526, 87800), (5840, 68045), (6200, 64094), (7024, 56575), (7300, 54436), (8780, 45260), (9052, 43900), (10975, 36208), (11315, 35120), (12400, 32047), (13609, 29200), (14600, 27218), (17560, 22630), (18104, 21950)]