639501900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{29201}}^1$

素因数の和:29291

約数の個数: 72

約数和(自身を含む): 1875702864

約数和(自身を除く): 1236200964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 73, 75, 100, 146, 150, 219, 292, 300, 365, 438, 730, 876, 1095, 1460, 1825, 2190, 3650, 4380, 5475, 7300, 10950, 21900, 29201, 58402, 87603, 116804, 146005, 175206, 292010, 350412, 438015, 584020, 730025, 876030, 1460050, 1752060, 2131673, 2190075, 2920100, 4263346, 4380150, 6395019, 8526692, 8760300, 10658365, 12790038, 21316730, 25580076, 31975095, 42633460, 53291825, 63950190, 106583650, 127900380, 159875475, 213167300, 319750950, 639501900]

約数ペア:

[(1, 639501900), (2, 319750950), (3, 213167300), (4, 159875475), (5, 127900380), (6, 106583650), (10, 63950190), (12, 53291825), (15, 42633460), (20, 31975095), (25, 25580076), (30, 21316730), (50, 12790038), (60, 10658365), (73, 8760300), (75, 8526692), (100, 6395019), (146, 4380150), (150, 4263346), (219, 2920100), (292, 2190075), (300, 2131673), (365, 1752060), (438, 1460050), (730, 876030), (876, 730025), (1095, 584020), (1460, 438015), (1825, 350412), (2190, 292010), (3650, 175206), (4380, 146005), (5475, 116804), (7300, 87603), (10950, 58402), (21900, 29201)]