2000718100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{647}}^1$

素因数の和:802

約数の個数: 108

約数和(自身を含む): 4662264096

約数和(自身を除く): 2661545996

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 107, 170, 214, 289, 340, 425, 428, 535, 578, 647, 850, 1070, 1156, 1294, 1445, 1700, 1819, 2140, 2588, 2675, 2890, 3235, 3638, 5350, 5780, 6470, 7225, 7276, 9095, 10700, 10999, 12940, 14450, 16175, 18190, 21998, 28900, 30923, 32350, 36380, 43996, 45475, 54995, 61846, 64700, 69229, 90950, 109990, 123692, 138458, 154615, 181900, 186983, 219980, 274975, 276916, 309230, 346145, 373966, 549950, 618460, 692290, 747932, 773075, 934915, 1099900, 1176893, 1384580, 1546150, 1730725, 1869830, 2353786, 3092300, 3461450, 3739660, 4674575, 4707572, 5884465, 6922900, 9349150, 11768930, 18698300, 20007181, 23537860, 29422325, 40014362, 58844650, 80028724, 100035905, 117689300, 200071810, 400143620, 500179525, 1000359050, 2000718100]

約数ペア:

[(1, 2000718100), (2, 1000359050), (4, 500179525), (5, 400143620), (10, 200071810), (17, 117689300), (20, 100035905), (25, 80028724), (34, 58844650), (50, 40014362), (68, 29422325), (85, 23537860), (100, 20007181), (107, 18698300), (170, 11768930), (214, 9349150), (289, 6922900), (340, 5884465), (425, 4707572), (428, 4674575), (535, 3739660), (578, 3461450), (647, 3092300), (850, 2353786), (1070, 1869830), (1156, 1730725), (1294, 1546150), (1445, 1384580), (1700, 1176893), (1819, 1099900), (2140, 934915), (2588, 773075), (2675, 747932), (2890, 692290), (3235, 618460), (3638, 549950), (5350, 373966), (5780, 346145), (6470, 309230), (7225, 276916), (7276, 274975), (9095, 219980), (10700, 186983), (10999, 181900), (12940, 154615), (14450, 138458), (16175, 123692), (18190, 109990), (21998, 90950), (28900, 69229), (30923, 64700), (32350, 61846), (36380, 54995), (43996, 45475)]