28389800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 72019200

約数和(自身を除く): 43629400

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 152, 155, 190, 200, 241, 248, 310, 380, 475, 482, 589, 620, 760, 775, 950, 964, 1178, 1205, 1240, 1550, 1900, 1928, 2356, 2410, 2945, 3100, 3800, 4579, 4712, 4820, 5890, 6025, 6200, 7471, 9158, 9640, 11780, 12050, 14725, 14942, 18316, 22895, 23560, 24100, 29450, 29884, 36632, 37355, 45790, 48200, 58900, 59768, 74710, 91580, 114475, 117800, 141949, 149420, 183160, 186775, 228950, 283898, 298840, 373550, 457900, 567796, 709745, 747100, 915800, 1135592, 1419490, 1494200, 2838980, 3548725, 5677960, 7097450, 14194900, 28389800]

約数ペア:

[(1, 28389800), (2, 14194900), (4, 7097450), (5, 5677960), (8, 3548725), (10, 2838980), (19, 1494200), (20, 1419490), (25, 1135592), (31, 915800), (38, 747100), (40, 709745), (50, 567796), (62, 457900), (76, 373550), (95, 298840), (100, 283898), (124, 228950), (152, 186775), (155, 183160), (190, 149420), (200, 141949), (241, 117800), (248, 114475), (310, 91580), (380, 74710), (475, 59768), (482, 58900), (589, 48200), (620, 45790), (760, 37355), (775, 36632), (950, 29884), (964, 29450), (1178, 24100), (1205, 23560), (1240, 22895), (1550, 18316), (1900, 14942), (1928, 14725), (2356, 12050), (2410, 11780), (2945, 9640), (3100, 9158), (3800, 7471), (4579, 6200), (4712, 6025), (4820, 5890)]