631209700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 1588648320

約数和(自身を除く): 957438620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 61, 92, 100, 110, 115, 122, 220, 230, 244, 253, 275, 305, 409, 460, 506, 550, 575, 610, 671, 818, 1012, 1100, 1150, 1220, 1265, 1342, 1403, 1525, 1636, 2045, 2300, 2530, 2684, 2806, 3050, 3355, 4090, 4499, 5060, 5612, 6100, 6325, 6710, 7015, 8180, 8998, 9407, 10225, 12650, 13420, 14030, 15433, 16775, 17996, 18814, 20450, 22495, 24949, 25300, 28060, 30866, 33550, 35075, 37628, 40900, 44990, 47035, 49898, 61732, 67100, 70150, 77165, 89980, 94070, 99796, 103477, 112475, 124745, 140300, 154330, 188140, 206954, 224950, 235175, 249490, 274439, 308660, 385825, 413908, 449900, 470350, 498980, 517385, 548878, 573827, 623725, 771650, 940700, 1034770, 1097756, 1147654, 1247450, 1372195, 1543300, 2069540, 2295308, 2494900, 2586925, 2744390, 2869135, 5173850, 5488780, 5738270, 6312097, 6860975, 10347700, 11476540, 12624194, 13721950, 14345675, 25248388, 27443900, 28691350, 31560485, 57382700, 63120970, 126241940, 157802425, 315604850, 631209700]

約数ペア:

[(1, 631209700), (2, 315604850), (4, 157802425), (5, 126241940), (10, 63120970), (11, 57382700), (20, 31560485), (22, 28691350), (23, 27443900), (25, 25248388), (44, 14345675), (46, 13721950), (50, 12624194), (55, 11476540), (61, 10347700), (92, 6860975), (100, 6312097), (110, 5738270), (115, 5488780), (122, 5173850), (220, 2869135), (230, 2744390), (244, 2586925), (253, 2494900), (275, 2295308), (305, 2069540), (409, 1543300), (460, 1372195), (506, 1247450), (550, 1147654), (575, 1097756), (610, 1034770), (671, 940700), (818, 771650), (1012, 623725), (1100, 573827), (1150, 548878), (1220, 517385), (1265, 498980), (1342, 470350), (1403, 449900), (1525, 413908), (1636, 385825), (2045, 308660), (2300, 274439), (2530, 249490), (2684, 235175), (2806, 224950), (3050, 206954), (3355, 188140), (4090, 154330), (4499, 140300), (5060, 124745), (5612, 112475), (6100, 103477), (6325, 99796), (6710, 94070), (7015, 89980), (8180, 77165), (8998, 70150), (9407, 67100), (10225, 61732), (12650, 49898), (13420, 47035), (14030, 44990), (15433, 40900), (16775, 37628), (17996, 35075), (18814, 33550), (20450, 30866), (22495, 28060), (24949, 25300)]