196455440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{421}}^1$

素因数の和:760

約数の個数: 80

約数和(自身を含む): 483510720

約数和(自身を除く): 287055280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 307, 380, 421, 614, 760, 842, 1228, 1520, 1535, 1684, 2105, 2456, 3070, 3368, 4210, 4912, 5833, 6140, 6736, 7999, 8420, 11666, 12280, 15998, 16840, 23332, 24560, 29165, 31996, 33680, 39995, 46664, 58330, 63992, 79990, 93328, 116660, 127984, 129247, 159980, 233320, 258494, 319960, 466640, 516988, 639920, 646235, 1033976, 1292470, 2067952, 2455693, 2584940, 4911386, 5169880, 9822772, 10339760, 12278465, 19645544, 24556930, 39291088, 49113860, 98227720, 196455440]

約数ペア:

[(1, 196455440), (2, 98227720), (4, 49113860), (5, 39291088), (8, 24556930), (10, 19645544), (16, 12278465), (19, 10339760), (20, 9822772), (38, 5169880), (40, 4911386), (76, 2584940), (80, 2455693), (95, 2067952), (152, 1292470), (190, 1033976), (304, 646235), (307, 639920), (380, 516988), (421, 466640), (614, 319960), (760, 258494), (842, 233320), (1228, 159980), (1520, 129247), (1535, 127984), (1684, 116660), (2105, 93328), (2456, 79990), (3070, 63992), (3368, 58330), (4210, 46664), (4912, 39995), (5833, 33680), (6140, 31996), (6736, 29165), (7999, 24560), (8420, 23332), (11666, 16840), (12280, 15998)]