1828996900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{3089}}^1$

素因数の和:3325

約数の個数: 72

約数和(自身を含む): 4119736320

約数和(自身を除く): 2290739420

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 191, 310, 382, 620, 764, 775, 955, 1550, 1910, 3089, 3100, 3820, 4775, 5921, 6178, 9550, 11842, 12356, 15445, 19100, 23684, 29605, 30890, 59210, 61780, 77225, 95759, 118420, 148025, 154450, 191518, 296050, 308900, 383036, 478795, 589999, 592100, 957590, 1179998, 1915180, 2359996, 2393975, 2949995, 4787950, 5899990, 9575900, 11799980, 14749975, 18289969, 29499950, 36579938, 58999900, 73159876, 91449845, 182899690, 365799380, 457249225, 914498450, 1828996900]

約数ペア:

[(1, 1828996900), (2, 914498450), (4, 457249225), (5, 365799380), (10, 182899690), (20, 91449845), (25, 73159876), (31, 58999900), (50, 36579938), (62, 29499950), (100, 18289969), (124, 14749975), (155, 11799980), (191, 9575900), (310, 5899990), (382, 4787950), (620, 2949995), (764, 2393975), (775, 2359996), (955, 1915180), (1550, 1179998), (1910, 957590), (3089, 592100), (3100, 589999), (3820, 478795), (4775, 383036), (5921, 308900), (6178, 296050), (9550, 191518), (11842, 154450), (12356, 148025), (15445, 118420), (19100, 95759), (23684, 77225), (29605, 61780), (30890, 59210)]