2288890900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1\times {\mathrm{1801}}^1$

素因数の和:2065

約数の個数: 72

約数和(自身を含む): 5067800640

約数和(自身を除く): 2778909740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 179, 284, 355, 358, 710, 716, 895, 1420, 1775, 1790, 1801, 3550, 3580, 3602, 4475, 7100, 7204, 8950, 9005, 12709, 17900, 18010, 25418, 36020, 45025, 50836, 63545, 90050, 127090, 127871, 180100, 254180, 255742, 317725, 322379, 511484, 635450, 639355, 644758, 1270900, 1278710, 1289516, 1611895, 2557420, 3196775, 3223790, 6393550, 6447580, 8059475, 12787100, 16118950, 22888909, 32237900, 45777818, 91555636, 114444545, 228889090, 457778180, 572222725, 1144445450, 2288890900]

約数ペア:

[(1, 2288890900), (2, 1144445450), (4, 572222725), (5, 457778180), (10, 228889090), (20, 114444545), (25, 91555636), (50, 45777818), (71, 32237900), (100, 22888909), (142, 16118950), (179, 12787100), (284, 8059475), (355, 6447580), (358, 6393550), (710, 3223790), (716, 3196775), (895, 2557420), (1420, 1611895), (1775, 1289516), (1790, 1278710), (1801, 1270900), (3550, 644758), (3580, 639355), (3602, 635450), (4475, 511484), (7100, 322379), (7204, 317725), (8950, 255742), (9005, 254180), (12709, 180100), (17900, 127871), (18010, 127090), (25418, 90050), (36020, 63545), (45025, 50836)]